Home / 10,329.12-15,481.38-5,397.44

Finding the Fourth Proportional to 10,329.12, 15,481.38 and 5,397.44

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Solution

The fourth proportional to 10,329.12, 15,481.38 and 5,397.44 is: 8,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.12 : 15,481.38 = 5,397.44 : x
  2. Step 2: Convert to fraction form
    10,329.12/15,481.38 = 5,397.44/x
  3. Step 3: Cross multiply
    10,329.12x = 15,481.38 × 5,397.44
  4. Step 4: Simplify right side
    10,329.12x = 83,559,820.56
  5. Step 5: Solve for x
    x = 83,559,820.56/10,329.12
  6. Step 6: Final answer
    x = 8,089.73

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1.5x scale

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.