Home / 8,732.18-12,082.08-7,615.43

Finding the Fourth Proportional to 8,732.18, 12,082.08 and 7,615.43

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Solution

The fourth proportional to 8,732.18, 12,082.08 and 7,615.43 is: 10,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.18 : 12,082.08 = 7,615.43 : x
  2. Step 2: Convert to fraction form
    8,732.18/12,082.08 = 7,615.43/x
  3. Step 3: Cross multiply
    8,732.18x = 12,082.08 × 7,615.43
  4. Step 4: Simplify right side
    8,732.18x = 92,010,174.08
  5. Step 5: Solve for x
    x = 92,010,174.08/8,732.18
  6. Step 6: Final answer
    x = 10,536.91

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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.