Home / 10,259.60-15,372.52-4,331.61

Finding the Fourth Proportional to 10,259.60, 15,372.52 and 4,331.61

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Solution

The fourth proportional to 10,259.60, 15,372.52 and 4,331.61 is: 6,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.60 : 15,372.52 = 4,331.61 : x
  2. Step 2: Convert to fraction form
    10,259.60/15,372.52 = 4,331.61/x
  3. Step 3: Cross multiply
    10,259.60x = 15,372.52 × 4,331.61
  4. Step 4: Simplify right side
    10,259.60x = 66,587,750.53
  5. Step 5: Solve for x
    x = 66,587,750.53/10,259.60
  6. Step 6: Final answer
    x = 6,490.29

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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.