Home / 10,168.78-15,240.48-4,902.82

Finding the Fourth Proportional to 10,168.78, 15,240.48 and 4,902.82

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Solution

The fourth proportional to 10,168.78, 15,240.48 and 4,902.82 is: 7,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.78 : 15,240.48 = 4,902.82 : x
  2. Step 2: Convert to fraction form
    10,168.78/15,240.48 = 4,902.82/x
  3. Step 3: Cross multiply
    10,168.78x = 15,240.48 × 4,902.82
  4. Step 4: Simplify right side
    10,168.78x = 74,721,330.15
  5. Step 5: Solve for x
    x = 74,721,330.15/10,168.78
  6. Step 6: Final answer
    x = 7,348.11

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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.