Home / 9,144.04-13,732.80-8,372.92

Finding the Fourth Proportional to 9,144.04, 13,732.80 and 8,372.92

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Solution

The fourth proportional to 9,144.04, 13,732.80 and 8,372.92 is: 12,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.04 : 13,732.80 = 8,372.92 : x
  2. Step 2: Convert to fraction form
    9,144.04/13,732.80 = 8,372.92/x
  3. Step 3: Cross multiply
    9,144.04x = 13,732.80 × 8,372.92
  4. Step 4: Simplify right side
    9,144.04x = 114,983,635.78
  5. Step 5: Solve for x
    x = 114,983,635.78/9,144.04
  6. Step 6: Final answer
    x = 12,574.71

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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.