Home / 18,350.43-27,528.38-8,490.71

Finding the Fourth Proportional to 18,350.43, 27,528.38 and 8,490.71

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Solution

The fourth proportional to 18,350.43, 27,528.38 and 8,490.71 is: 12,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.43 : 27,528.38 = 8,490.71 : x
  2. Step 2: Convert to fraction form
    18,350.43/27,528.38 = 8,490.71/x
  3. Step 3: Cross multiply
    18,350.43x = 27,528.38 × 8,490.71
  4. Step 4: Simplify right side
    18,350.43x = 233,735,494.57
  5. Step 5: Solve for x
    x = 233,735,494.57/18,350.43
  6. Step 6: Final answer
    x = 12,737.33

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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.