Home / 14,141.50-21,212.26-4,280.56

Finding the Fourth Proportional to 14,141.50, 21,212.26 and 4,280.56

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Solution

The fourth proportional to 14,141.50, 21,212.26 and 4,280.56 is: 6,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.50 : 21,212.26 = 4,280.56 : x
  2. Step 2: Convert to fraction form
    14,141.50/21,212.26 = 4,280.56/x
  3. Step 3: Cross multiply
    14,141.50x = 21,212.26 × 4,280.56
  4. Step 4: Simplify right side
    14,141.50x = 90,800,351.67
  5. Step 5: Solve for x
    x = 90,800,351.67/14,141.50
  6. Step 6: Final answer
    x = 6,420.84

Related Problems

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Half scale
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Double scale
Find fourth proportional to 14,142.50, 21,213.76 and 4,281.56
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.