Home / 14,691.90-22,047.30-8,122.80

Finding the Fourth Proportional to 14,691.90, 22,047.30 and 8,122.80

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Solution

The fourth proportional to 14,691.90, 22,047.30 and 8,122.80 is: 12,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.90 : 22,047.30 = 8,122.80 : x
  2. Step 2: Convert to fraction form
    14,691.90/22,047.30 = 8,122.80/x
  3. Step 3: Cross multiply
    14,691.90x = 22,047.30 × 8,122.80
  4. Step 4: Simplify right side
    14,691.90x = 179,085,808.44
  5. Step 5: Solve for x
    x = 179,085,808.44/14,691.90
  6. Step 6: Final answer
    x = 12,189.42

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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.