Home / 12,132.28-18,200.13-4,233.65

Finding the Fourth Proportional to 12,132.28, 18,200.13 and 4,233.65

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Solution

The fourth proportional to 12,132.28, 18,200.13 and 4,233.65 is: 6,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.28 : 18,200.13 = 4,233.65 : x
  2. Step 2: Convert to fraction form
    12,132.28/18,200.13 = 4,233.65/x
  3. Step 3: Cross multiply
    12,132.28x = 18,200.13 × 4,233.65
  4. Step 4: Simplify right side
    12,132.28x = 77,052,868.21
  5. Step 5: Solve for x
    x = 77,052,868.21/12,132.28
  6. Step 6: Final answer
    x = 6,351.07

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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.