Home / 19,691.90-27,175.17-10,739.73

Finding the Fourth Proportional to 19,691.90, 27,175.17 and 10,739.73

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Solution

The fourth proportional to 19,691.90, 27,175.17 and 10,739.73 is: 14,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.90 : 27,175.17 = 10,739.73 : x
  2. Step 2: Convert to fraction form
    19,691.90/27,175.17 = 10,739.73/x
  3. Step 3: Cross multiply
    19,691.90x = 27,175.17 × 10,739.73
  4. Step 4: Simplify right side
    19,691.90x = 291,853,988.50
  5. Step 5: Solve for x
    x = 291,853,988.50/19,691.90
  6. Step 6: Final answer
    x = 14,821.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.