Home / 16,843.60-23,244.30-9,290.20

Finding the Fourth Proportional to 16,843.60, 23,244.30 and 9,290.20

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Solution

The fourth proportional to 16,843.60, 23,244.30 and 9,290.20 is: 12,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.60 : 23,244.30 = 9,290.20 : x
  2. Step 2: Convert to fraction form
    16,843.60/23,244.30 = 9,290.20/x
  3. Step 3: Cross multiply
    16,843.60x = 23,244.30 × 9,290.20
  4. Step 4: Simplify right side
    16,843.60x = 215,944,195.86
  5. Step 5: Solve for x
    x = 215,944,195.86/16,843.60
  6. Step 6: Final answer
    x = 12,820.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.