Home / 11,208.50-16,812.75-4,188.23

Finding the Fourth Proportional to 11,208.50, 16,812.75 and 4,188.23

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Solution

The fourth proportional to 11,208.50, 16,812.75 and 4,188.23 is: 6,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.50 : 16,812.75 = 4,188.23 : x
  2. Step 2: Convert to fraction form
    11,208.50/16,812.75 = 4,188.23/x
  3. Step 3: Cross multiply
    11,208.50x = 16,812.75 × 4,188.23
  4. Step 4: Simplify right side
    11,208.50x = 70,415,663.93
  5. Step 5: Solve for x
    x = 70,415,663.93/11,208.50
  6. Step 6: Final answer
    x = 6,282.35

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Double scale
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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.