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Finding the Fourth Proportional to 8,626.88, 12,947.04 and 6,012.80

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Solution

The fourth proportional to 8,626.88, 12,947.04 and 6,012.80 is: 9,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.88 : 12,947.04 = 6,012.80 : x
  2. Step 2: Convert to fraction form
    8,626.88/12,947.04 = 6,012.80/x
  3. Step 3: Cross multiply
    8,626.88x = 12,947.04 × 6,012.80
  4. Step 4: Simplify right side
    8,626.88x = 77,847,962.11
  5. Step 5: Solve for x
    x = 77,847,962.11/8,626.88
  6. Step 6: Final answer
    x = 9,023.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.