Home / 8,854.20-12,220.13-6,726.24

Finding the Fourth Proportional to 8,854.20, 12,220.13 and 6,726.24

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Solution

The fourth proportional to 8,854.20, 12,220.13 and 6,726.24 is: 9,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.20 : 12,220.13 = 6,726.24 : x
  2. Step 2: Convert to fraction form
    8,854.20/12,220.13 = 6,726.24/x
  3. Step 3: Cross multiply
    8,854.20x = 12,220.13 × 6,726.24
  4. Step 4: Simplify right side
    8,854.20x = 82,195,544.03
  5. Step 5: Solve for x
    x = 82,195,544.03/8,854.20
  6. Step 6: Final answer
    x = 9,283.23

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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.