Home / 20,914.11-31,372.02-5,332.14

Finding the Fourth Proportional to 20,914.11, 31,372.02 and 5,332.14

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Solution

The fourth proportional to 20,914.11, 31,372.02 and 5,332.14 is: 7,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914.11 : 31,372.02 = 5,332.14 : x
  2. Step 2: Convert to fraction form
    20,914.11/31,372.02 = 5,332.14/x
  3. Step 3: Cross multiply
    20,914.11x = 31,372.02 × 5,332.14
  4. Step 4: Simplify right side
    20,914.11x = 167,280,002.72
  5. Step 5: Solve for x
    x = 167,280,002.72/20,914.11
  6. Step 6: Final answer
    x = 7,998.43

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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.