Home / 11,207.50-16,811.25-4,187.23

Finding the Fourth Proportional to 11,207.50, 16,811.25 and 4,187.23

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Solution

The fourth proportional to 11,207.50, 16,811.25 and 4,187.23 is: 6,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.50 : 16,811.25 = 4,187.23 : x
  2. Step 2: Convert to fraction form
    11,207.50/16,811.25 = 4,187.23/x
  3. Step 3: Cross multiply
    11,207.50x = 16,811.25 × 4,187.23
  4. Step 4: Simplify right side
    11,207.50x = 70,392,570.34
  5. Step 5: Solve for x
    x = 70,392,570.34/11,207.50
  6. Step 6: Final answer
    x = 6,280.85

Related Problems

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Half scale
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Double scale
Find fourth proportional to 11,208.50, 16,812.75 and 4,188.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.