Home / 8,981.82-13,458.15-6,372

Finding the Fourth Proportional to 8,981.82, 13,458.15 and 6,372

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Solution

The fourth proportional to 8,981.82, 13,458.15 and 6,372 is: 9,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.82 : 13,458.15 = 6,372 : x
  2. Step 2: Convert to fraction form
    8,981.82/13,458.15 = 6,372/x
  3. Step 3: Cross multiply
    8,981.82x = 13,458.15 × 6,372
  4. Step 4: Simplify right side
    8,981.82x = 85,755,331.80
  5. Step 5: Solve for x
    x = 85,755,331.80/8,981.82
  6. Step 6: Final answer
    x = 9,547.66

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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.