Home / 10,562.68-15,843.08-3,168.78

Finding the Fourth Proportional to 10,562.68, 15,843.08 and 3,168.78

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Solution

The fourth proportional to 10,562.68, 15,843.08 and 3,168.78 is: 4,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.68 : 15,843.08 = 3,168.78 : x
  2. Step 2: Convert to fraction form
    10,562.68/15,843.08 = 3,168.78/x
  3. Step 3: Cross multiply
    10,562.68x = 15,843.08 × 3,168.78
  4. Step 4: Simplify right side
    10,562.68x = 50,203,235.04
  5. Step 5: Solve for x
    x = 50,203,235.04/10,562.68
  6. Step 6: Final answer
    x = 4,752.89

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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.