Home / 18,264.20-27,397.26-5,785.55

Finding the Fourth Proportional to 18,264.20, 27,397.26 and 5,785.55

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Solution

The fourth proportional to 18,264.20, 27,397.26 and 5,785.55 is: 8,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.20 : 27,397.26 = 5,785.55 : x
  2. Step 2: Convert to fraction form
    18,264.20/27,397.26 = 5,785.55/x
  3. Step 3: Cross multiply
    18,264.20x = 27,397.26 × 5,785.55
  4. Step 4: Simplify right side
    18,264.20x = 158,508,080.61
  5. Step 5: Solve for x
    x = 158,508,080.61/18,264.20
  6. Step 6: Final answer
    x = 8,678.62

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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.