Home / 18,834.52-28,233.40-8,971.16

Finding the Fourth Proportional to 18,834.52, 28,233.40 and 8,971.16

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Solution

The fourth proportional to 18,834.52, 28,233.40 and 8,971.16 is: 13,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.52 : 28,233.40 = 8,971.16 : x
  2. Step 2: Convert to fraction form
    18,834.52/28,233.40 = 8,971.16/x
  3. Step 3: Cross multiply
    18,834.52x = 28,233.40 × 8,971.16
  4. Step 4: Simplify right side
    18,834.52x = 253,286,348.74
  5. Step 5: Solve for x
    x = 253,286,348.74/18,834.52
  6. Step 6: Final answer
    x = 13,447.99

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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.