Home / 14,549.22-20,079.66-8,580.78

Finding the Fourth Proportional to 14,549.22, 20,079.66 and 8,580.78

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Solution

The fourth proportional to 14,549.22, 20,079.66 and 8,580.78 is: 11,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.22 : 20,079.66 = 8,580.78 : x
  2. Step 2: Convert to fraction form
    14,549.22/20,079.66 = 8,580.78/x
  3. Step 3: Cross multiply
    14,549.22x = 20,079.66 × 8,580.78
  4. Step 4: Simplify right side
    14,549.22x = 172,299,144.93
  5. Step 5: Solve for x
    x = 172,299,144.93/14,549.22
  6. Step 6: Final answer
    x = 11,842.50

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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.