Home / 19,939.53-29,909.30-5,898.47

Finding the Fourth Proportional to 19,939.53, 29,909.30 and 5,898.47

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Solution

The fourth proportional to 19,939.53, 29,909.30 and 5,898.47 is: 8,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.53 : 29,909.30 = 5,898.47 : x
  2. Step 2: Convert to fraction form
    19,939.53/29,909.30 = 5,898.47/x
  3. Step 3: Cross multiply
    19,939.53x = 29,909.30 × 5,898.47
  4. Step 4: Simplify right side
    19,939.53x = 176,418,929.73
  5. Step 5: Solve for x
    x = 176,418,929.73/19,939.53
  6. Step 6: Final answer
    x = 8,847.70

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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.