Home / 12,542.13-17,306.73-7,238.70

Finding the Fourth Proportional to 12,542.13, 17,306.73 and 7,238.70

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Solution

The fourth proportional to 12,542.13, 17,306.73 and 7,238.70 is: 9,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.13 : 17,306.73 = 7,238.70 : x
  2. Step 2: Convert to fraction form
    12,542.13/17,306.73 = 7,238.70/x
  3. Step 3: Cross multiply
    12,542.13x = 17,306.73 × 7,238.70
  4. Step 4: Simplify right side
    12,542.13x = 125,278,226.45
  5. Step 5: Solve for x
    x = 125,278,226.45/12,542.13
  6. Step 6: Final answer
    x = 9,988.59

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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.