Home / 12,553.80-17,319.45-7,246.68

Finding the Fourth Proportional to 12,553.80, 17,319.45 and 7,246.68

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Solution

The fourth proportional to 12,553.80, 17,319.45 and 7,246.68 is: 9,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.80 : 17,319.45 = 7,246.68 : x
  2. Step 2: Convert to fraction form
    12,553.80/17,319.45 = 7,246.68/x
  3. Step 3: Cross multiply
    12,553.80x = 17,319.45 × 7,246.68
  4. Step 4: Simplify right side
    12,553.80x = 125,508,511.93
  5. Step 5: Solve for x
    x = 125,508,511.93/12,553.80
  6. Step 6: Final answer
    x = 9,997.65

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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.