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Finding the Fourth Proportional to 8,013.60, 12,001.80 and 7,736.76

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Solution

The fourth proportional to 8,013.60, 12,001.80 and 7,736.76 is: 11,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.60 : 12,001.80 = 7,736.76 : x
  2. Step 2: Convert to fraction form
    8,013.60/12,001.80 = 7,736.76/x
  3. Step 3: Cross multiply
    8,013.60x = 12,001.80 × 7,736.76
  4. Step 4: Simplify right side
    8,013.60x = 92,855,046.17
  5. Step 5: Solve for x
    x = 92,855,046.17/8,013.60
  6. Step 6: Final answer
    x = 11,587.18

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1.5x scale

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.