Home / 22,854.20-34,281.30-8,079.80

Finding the Fourth Proportional to 22,854.20, 34,281.30 and 8,079.80

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Solution

The fourth proportional to 22,854.20, 34,281.30 and 8,079.80 is: 12,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,854.20 : 34,281.30 = 8,079.80 : x
  2. Step 2: Convert to fraction form
    22,854.20/34,281.30 = 8,079.80/x
  3. Step 3: Cross multiply
    22,854.20x = 34,281.30 × 8,079.80
  4. Step 4: Simplify right side
    22,854.20x = 276,986,047.74
  5. Step 5: Solve for x
    x = 276,986,047.74/22,854.20
  6. Step 6: Final answer
    x = 12,119.70

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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.