Home / 18,426.13-27,639.19-4,575.13

Finding the Fourth Proportional to 18,426.13, 27,639.19 and 4,575.13

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Solution

The fourth proportional to 18,426.13, 27,639.19 and 4,575.13 is: 6,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.13 : 27,639.19 = 4,575.13 : x
  2. Step 2: Convert to fraction form
    18,426.13/27,639.19 = 4,575.13/x
  3. Step 3: Cross multiply
    18,426.13x = 27,639.19 × 4,575.13
  4. Step 4: Simplify right side
    18,426.13x = 126,452,979.44
  5. Step 5: Solve for x
    x = 126,452,979.44/18,426.13
  6. Step 6: Final answer
    x = 6,862.70

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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.