Home / 18,287.39-27,432.02-5,808.38

Finding the Fourth Proportional to 18,287.39, 27,432.02 and 5,808.38

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Solution

The fourth proportional to 18,287.39, 27,432.02 and 5,808.38 is: 8,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.39 : 27,432.02 = 5,808.38 : x
  2. Step 2: Convert to fraction form
    18,287.39/27,432.02 = 5,808.38/x
  3. Step 3: Cross multiply
    18,287.39x = 27,432.02 × 5,808.38
  4. Step 4: Simplify right side
    18,287.39x = 159,335,679.43
  5. Step 5: Solve for x
    x = 159,335,679.43/18,287.39
  6. Step 6: Final answer
    x = 8,712.87

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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.