Home / 9,149.47-12,625.14-6,495.91

Finding the Fourth Proportional to 9,149.47, 12,625.14 and 6,495.91

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Solution

The fourth proportional to 9,149.47, 12,625.14 and 6,495.91 is: 8,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.47 : 12,625.14 = 6,495.91 : x
  2. Step 2: Convert to fraction form
    9,149.47/12,625.14 = 6,495.91/x
  3. Step 3: Cross multiply
    9,149.47x = 12,625.14 × 6,495.91
  4. Step 4: Simplify right side
    9,149.47x = 82,011,773.18
  5. Step 5: Solve for x
    x = 82,011,773.18/9,149.47
  6. Step 6: Final answer
    x = 8,963.55

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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.