Home / 18,711.27-25,824.03-13,042.35

Finding the Fourth Proportional to 18,711.27, 25,824.03 and 13,042.35

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Solution

The fourth proportional to 18,711.27, 25,824.03 and 13,042.35 is: 18,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.27 : 25,824.03 = 13,042.35 : x
  2. Step 2: Convert to fraction form
    18,711.27/25,824.03 = 13,042.35/x
  3. Step 3: Cross multiply
    18,711.27x = 25,824.03 × 13,042.35
  4. Step 4: Simplify right side
    18,711.27x = 336,806,037.67
  5. Step 5: Solve for x
    x = 336,806,037.67/18,711.27
  6. Step 6: Final answer
    x = 18,000.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.