Home / 18,434.29-27,516.85-15,818.60

Finding the Fourth Proportional to 18,434.29, 27,516.85 and 15,818.60

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Solution

The fourth proportional to 18,434.29, 27,516.85 and 15,818.60 is: 23,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,434.29 : 27,516.85 = 15,818.60 : x
  2. Step 2: Convert to fraction form
    18,434.29/27,516.85 = 15,818.60/x
  3. Step 3: Cross multiply
    18,434.29x = 27,516.85 × 15,818.60
  4. Step 4: Simplify right side
    18,434.29x = 435,278,043.41
  5. Step 5: Solve for x
    x = 435,278,043.41/18,434.29
  6. Step 6: Final answer
    x = 23,612.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.