Home / 15,460.20-23,168.70-13,142.52

Finding the Fourth Proportional to 15,460.20, 23,168.70 and 13,142.52

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Solution

The fourth proportional to 15,460.20, 23,168.70 and 13,142.52 is: 19,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.20 : 23,168.70 = 13,142.52 : x
  2. Step 2: Convert to fraction form
    15,460.20/23,168.70 = 13,142.52/x
  3. Step 3: Cross multiply
    15,460.20x = 23,168.70 × 13,142.52
  4. Step 4: Simplify right side
    15,460.20x = 304,495,103.12
  5. Step 5: Solve for x
    x = 304,495,103.12/15,460.20
  6. Step 6: Final answer
    x = 19,695.42

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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.