Home / 18,251.68-27,381.63-5,772.46

Finding the Fourth Proportional to 18,251.68, 27,381.63 and 5,772.46

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Solution

The fourth proportional to 18,251.68, 27,381.63 and 5,772.46 is: 8,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.68 : 27,381.63 = 5,772.46 : x
  2. Step 2: Convert to fraction form
    18,251.68/27,381.63 = 5,772.46/x
  3. Step 3: Cross multiply
    18,251.68x = 27,381.63 × 5,772.46
  4. Step 4: Simplify right side
    18,251.68x = 158,059,363.91
  5. Step 5: Solve for x
    x = 158,059,363.91/18,251.68
  6. Step 6: Final answer
    x = 8,659.99

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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.