Home / 10,180.48-15,270.88-3,943.36

Finding the Fourth Proportional to 10,180.48, 15,270.88 and 3,943.36

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Solution

The fourth proportional to 10,180.48, 15,270.88 and 3,943.36 is: 5,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.48 : 15,270.88 = 3,943.36 : x
  2. Step 2: Convert to fraction form
    10,180.48/15,270.88 = 3,943.36/x
  3. Step 3: Cross multiply
    10,180.48x = 15,270.88 × 3,943.36
  4. Step 4: Simplify right side
    10,180.48x = 60,218,577.36
  5. Step 5: Solve for x
    x = 60,218,577.36/10,180.48
  6. Step 6: Final answer
    x = 5,915.10

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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.