Home / 10,256.92-15,387.80-3,331.44

Finding the Fourth Proportional to 10,256.92, 15,387.80 and 3,331.44

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Solution

The fourth proportional to 10,256.92, 15,387.80 and 3,331.44 is: 4,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.92 : 15,387.80 = 3,331.44 : x
  2. Step 2: Convert to fraction form
    10,256.92/15,387.80 = 3,331.44/x
  3. Step 3: Cross multiply
    10,256.92x = 15,387.80 × 3,331.44
  4. Step 4: Simplify right side
    10,256.92x = 51,263,532.43
  5. Step 5: Solve for x
    x = 51,263,532.43/10,256.92
  6. Step 6: Final answer
    x = 4,997.95

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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.