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Finding the Fourth Proportional to 12,753.13, 17,591.37 and 8,767.32

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Solution

The fourth proportional to 12,753.13, 17,591.37 and 8,767.32 is: 12,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.13 : 17,591.37 = 8,767.32 : x
  2. Step 2: Convert to fraction form
    12,753.13/17,591.37 = 8,767.32/x
  3. Step 3: Cross multiply
    12,753.13x = 17,591.37 × 8,767.32
  4. Step 4: Simplify right side
    12,753.13x = 154,229,139.07
  5. Step 5: Solve for x
    x = 154,229,139.07/12,753.13
  6. Step 6: Final answer
    x = 12,093.44

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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.