Home / 14,654.10-21,987.22-8,079.72

Finding the Fourth Proportional to 14,654.10, 21,987.22 and 8,079.72

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Solution

The fourth proportional to 14,654.10, 21,987.22 and 8,079.72 is: 12,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.10 : 21,987.22 = 8,079.72 : x
  2. Step 2: Convert to fraction form
    14,654.10/21,987.22 = 8,079.72/x
  3. Step 3: Cross multiply
    14,654.10x = 21,987.22 × 8,079.72
  4. Step 4: Simplify right side
    14,654.10x = 177,650,581.18
  5. Step 5: Solve for x
    x = 177,650,581.18/14,654.10
  6. Step 6: Final answer
    x = 12,122.93

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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.