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Finding the Fourth Proportional to 18,287.01, 27,432.77 and 6,437.97

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Solution

The fourth proportional to 18,287.01, 27,432.77 and 6,437.97 is: 9,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.01 : 27,432.77 = 6,437.97 : x
  2. Step 2: Convert to fraction form
    18,287.01/27,432.77 = 6,437.97/x
  3. Step 3: Cross multiply
    18,287.01x = 27,432.77 × 6,437.97
  4. Step 4: Simplify right side
    18,287.01x = 176,611,318.09
  5. Step 5: Solve for x
    x = 176,611,318.09/18,287.01
  6. Step 6: Final answer
    x = 9,657.75

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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.