Home / 15,747.93-21,732.17-8,577.82

Finding the Fourth Proportional to 15,747.93, 21,732.17 and 8,577.82

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Solution

The fourth proportional to 15,747.93, 21,732.17 and 8,577.82 is: 11,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.93 : 21,732.17 = 8,577.82 : x
  2. Step 2: Convert to fraction form
    15,747.93/21,732.17 = 8,577.82/x
  3. Step 3: Cross multiply
    15,747.93x = 21,732.17 × 8,577.82
  4. Step 4: Simplify right side
    15,747.93x = 186,414,545.25
  5. Step 5: Solve for x
    x = 186,414,545.25/15,747.93
  6. Step 6: Final answer
    x = 11,837.40

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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.