Home / 10,100.90-15,144.52-3,523.50

Finding the Fourth Proportional to 10,100.90, 15,144.52 and 3,523.50

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Solution

The fourth proportional to 10,100.90, 15,144.52 and 3,523.50 is: 5,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.90 : 15,144.52 = 3,523.50 : x
  2. Step 2: Convert to fraction form
    10,100.90/15,144.52 = 3,523.50/x
  3. Step 3: Cross multiply
    10,100.90x = 15,144.52 × 3,523.50
  4. Step 4: Simplify right side
    10,100.90x = 53,361,714.02
  5. Step 5: Solve for x
    x = 53,361,714.02/10,100.90
  6. Step 6: Final answer
    x = 5,282.87

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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.