Home / 10,218.34-15,323.46-3,552.85

Finding the Fourth Proportional to 10,218.34, 15,323.46 and 3,552.85

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Solution

The fourth proportional to 10,218.34, 15,323.46 and 3,552.85 is: 5,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.34 : 15,323.46 = 3,552.85 : x
  2. Step 2: Convert to fraction form
    10,218.34/15,323.46 = 3,552.85/x
  3. Step 3: Cross multiply
    10,218.34x = 15,323.46 × 3,552.85
  4. Step 4: Simplify right side
    10,218.34x = 54,441,954.86
  5. Step 5: Solve for x
    x = 54,441,954.86/10,218.34
  6. Step 6: Final answer
    x = 5,327.87

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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.