Home / 9,149.27-12,613.06-6,495.71

Finding the Fourth Proportional to 9,149.27, 12,613.06 and 6,495.71

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Solution

The fourth proportional to 9,149.27, 12,613.06 and 6,495.71 is: 8,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.27 : 12,613.06 = 6,495.71 : x
  2. Step 2: Convert to fraction form
    9,149.27/12,613.06 = 6,495.71/x
  3. Step 3: Cross multiply
    9,149.27x = 12,613.06 × 6,495.71
  4. Step 4: Simplify right side
    9,149.27x = 81,930,779.97
  5. Step 5: Solve for x
    x = 81,930,779.97/9,149.27
  6. Step 6: Final answer
    x = 8,954.90

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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.