Home / 42,359.91-63,538.78-11,195.43

Finding the Fourth Proportional to 42,359.91, 63,538.78 and 11,195.43

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Solution

The fourth proportional to 42,359.91, 63,538.78 and 11,195.43 is: 16,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.91 : 63,538.78 = 11,195.43 : x
  2. Step 2: Convert to fraction form
    42,359.91/63,538.78 = 11,195.43/x
  3. Step 3: Cross multiply
    42,359.91x = 63,538.78 × 11,195.43
  4. Step 4: Simplify right side
    42,359.91x = 711,343,963.78
  5. Step 5: Solve for x
    x = 711,343,963.78/42,359.91
  6. Step 6: Final answer
    x = 16,792.86

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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.