Home / 15,402.56-23,105.96-5,540

Finding the Fourth Proportional to 15,402.56, 23,105.96 and 5,540

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Solution

The fourth proportional to 15,402.56, 23,105.96 and 5,540 is: 8,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.56 : 23,105.96 = 5,540 : x
  2. Step 2: Convert to fraction form
    15,402.56/23,105.96 = 5,540/x
  3. Step 3: Cross multiply
    15,402.56x = 23,105.96 × 5,540
  4. Step 4: Simplify right side
    15,402.56x = 128,007,018.40
  5. Step 5: Solve for x
    x = 128,007,018.40/15,402.56
  6. Step 6: Final answer
    x = 8,310.76

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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.