Home / 10,512.62-15,775.46-3,943.42

Finding the Fourth Proportional to 10,512.62, 15,775.46 and 3,943.42

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Solution

The fourth proportional to 10,512.62, 15,775.46 and 3,943.42 is: 5,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.62 : 15,775.46 = 3,943.42 : x
  2. Step 2: Convert to fraction form
    10,512.62/15,775.46 = 3,943.42/x
  3. Step 3: Cross multiply
    10,512.62x = 15,775.46 × 3,943.42
  4. Step 4: Simplify right side
    10,512.62x = 62,209,220.11
  5. Step 5: Solve for x
    x = 62,209,220.11/10,512.62
  6. Step 6: Final answer
    x = 5,917.58

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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.