Home / 12,482.92-17,226.12-7,177.61

Finding the Fourth Proportional to 12,482.92, 17,226.12 and 7,177.61

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Solution

The fourth proportional to 12,482.92, 17,226.12 and 7,177.61 is: 9,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.92 : 17,226.12 = 7,177.61 : x
  2. Step 2: Convert to fraction form
    12,482.92/17,226.12 = 7,177.61/x
  3. Step 3: Cross multiply
    12,482.92x = 17,226.12 × 7,177.61
  4. Step 4: Simplify right side
    12,482.92x = 123,642,371.17
  5. Step 5: Solve for x
    x = 123,642,371.17/12,482.92
  6. Step 6: Final answer
    x = 9,904.93

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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.