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Finding the Fourth Proportional to 8,801.87, 13,134.56 and 7,867.13

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Solution

The fourth proportional to 8,801.87, 13,134.56 and 7,867.13 is: 11,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.87 : 13,134.56 = 7,867.13 : x
  2. Step 2: Convert to fraction form
    8,801.87/13,134.56 = 7,867.13/x
  3. Step 3: Cross multiply
    8,801.87x = 13,134.56 × 7,867.13
  4. Step 4: Simplify right side
    8,801.87x = 103,331,186.00
  5. Step 5: Solve for x
    x = 103,331,186.00/8,801.87
  6. Step 6: Final answer
    x = 11,739.69

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.