Home / 19,839.43-29,728.32-11,498.76

Finding the Fourth Proportional to 19,839.43, 29,728.32 and 11,498.76

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Solution

The fourth proportional to 19,839.43, 29,728.32 and 11,498.76 is: 17,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.43 : 29,728.32 = 11,498.76 : x
  2. Step 2: Convert to fraction form
    19,839.43/29,728.32 = 11,498.76/x
  3. Step 3: Cross multiply
    19,839.43x = 29,728.32 × 11,498.76
  4. Step 4: Simplify right side
    19,839.43x = 341,838,773.76
  5. Step 5: Solve for x
    x = 341,838,773.76/19,839.43
  6. Step 6: Final answer
    x = 17,230.27

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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.