Home / 15,791.28-23,687.01-4,104.51

Finding the Fourth Proportional to 15,791.28, 23,687.01 and 4,104.51

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Solution

The fourth proportional to 15,791.28, 23,687.01 and 4,104.51 is: 6,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.28 : 23,687.01 = 4,104.51 : x
  2. Step 2: Convert to fraction form
    15,791.28/23,687.01 = 4,104.51/x
  3. Step 3: Cross multiply
    15,791.28x = 23,687.01 × 4,104.51
  4. Step 4: Simplify right side
    15,791.28x = 97,223,569.42
  5. Step 5: Solve for x
    x = 97,223,569.42/15,791.28
  6. Step 6: Final answer
    x = 6,156.79

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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.