Home / 18,834.44-28,233.28-8,971.08

Finding the Fourth Proportional to 18,834.44, 28,233.28 and 8,971.08

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Solution

The fourth proportional to 18,834.44, 28,233.28 and 8,971.08 is: 13,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.44 : 28,233.28 = 8,971.08 : x
  2. Step 2: Convert to fraction form
    18,834.44/28,233.28 = 8,971.08/x
  3. Step 3: Cross multiply
    18,834.44x = 28,233.28 × 8,971.08
  4. Step 4: Simplify right side
    18,834.44x = 253,283,013.54
  5. Step 5: Solve for x
    x = 253,283,013.54/18,834.44
  6. Step 6: Final answer
    x = 13,447.87

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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.