Home / 21,174.50-31,734.41-10,084.59

Finding the Fourth Proportional to 21,174.50, 31,734.41 and 10,084.59

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Solution

The fourth proportional to 21,174.50, 31,734.41 and 10,084.59 is: 15,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174.50 : 31,734.41 = 10,084.59 : x
  2. Step 2: Convert to fraction form
    21,174.50/31,734.41 = 10,084.59/x
  3. Step 3: Cross multiply
    21,174.50x = 31,734.41 × 10,084.59
  4. Step 4: Simplify right side
    21,174.50x = 320,028,463.32
  5. Step 5: Solve for x
    x = 320,028,463.32/21,174.50
  6. Step 6: Final answer
    x = 15,113.87

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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.