Home / 14,549.50-20,077.36-8,579.80

Finding the Fourth Proportional to 14,549.50, 20,077.36 and 8,579.80

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Solution

The fourth proportional to 14,549.50, 20,077.36 and 8,579.80 is: 11,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.50 : 20,077.36 = 8,579.80 : x
  2. Step 2: Convert to fraction form
    14,549.50/20,077.36 = 8,579.80/x
  3. Step 3: Cross multiply
    14,549.50x = 20,077.36 × 8,579.80
  4. Step 4: Simplify right side
    14,549.50x = 172,259,733.33
  5. Step 5: Solve for x
    x = 172,259,733.33/14,549.50
  6. Step 6: Final answer
    x = 11,839.56

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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.