Home / 8,869.24-12,229.15-6,627.16

Finding the Fourth Proportional to 8,869.24, 12,229.15 and 6,627.16

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Solution

The fourth proportional to 8,869.24, 12,229.15 and 6,627.16 is: 9,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.24 : 12,229.15 = 6,627.16 : x
  2. Step 2: Convert to fraction form
    8,869.24/12,229.15 = 6,627.16/x
  3. Step 3: Cross multiply
    8,869.24x = 12,229.15 × 6,627.16
  4. Step 4: Simplify right side
    8,869.24x = 81,044,456.00
  5. Step 5: Solve for x
    x = 81,044,456.00/8,869.24
  6. Step 6: Final answer
    x = 9,137.71

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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.