Home / 22,996.80-34,462.40-13,115.20

Finding the Fourth Proportional to 22,996.80, 34,462.40 and 13,115.20

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Solution

The fourth proportional to 22,996.80, 34,462.40 and 13,115.20 is: 19,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.80 : 34,462.40 = 13,115.20 : x
  2. Step 2: Convert to fraction form
    22,996.80/34,462.40 = 13,115.20/x
  3. Step 3: Cross multiply
    22,996.80x = 34,462.40 × 13,115.20
  4. Step 4: Simplify right side
    22,996.80x = 451,981,268.48
  5. Step 5: Solve for x
    x = 451,981,268.48/22,996.80
  6. Step 6: Final answer
    x = 19,654.09

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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.