Home / 14,785.20-22,129.20-11,480.40

Finding the Fourth Proportional to 14,785.20, 22,129.20 and 11,480.40

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Solution

The fourth proportional to 14,785.20, 22,129.20 and 11,480.40 is: 17,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.20 : 22,129.20 = 11,480.40 : x
  2. Step 2: Convert to fraction form
    14,785.20/22,129.20 = 11,480.40/x
  3. Step 3: Cross multiply
    14,785.20x = 22,129.20 × 11,480.40
  4. Step 4: Simplify right side
    14,785.20x = 254,052,067.68
  5. Step 5: Solve for x
    x = 254,052,067.68/14,785.20
  6. Step 6: Final answer
    x = 17,182.86

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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.