Home / 10,721.52-16,084.26-3,325.38

Finding the Fourth Proportional to 10,721.52, 16,084.26 and 3,325.38

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Solution

The fourth proportional to 10,721.52, 16,084.26 and 3,325.38 is: 4,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.52 : 16,084.26 = 3,325.38 : x
  2. Step 2: Convert to fraction form
    10,721.52/16,084.26 = 3,325.38/x
  3. Step 3: Cross multiply
    10,721.52x = 16,084.26 × 3,325.38
  4. Step 4: Simplify right side
    10,721.52x = 53,486,276.52
  5. Step 5: Solve for x
    x = 53,486,276.52/10,721.52
  6. Step 6: Final answer
    x = 4,988.68

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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.