Home / 13,327.22-18,385.44-8,613.02

Finding the Fourth Proportional to 13,327.22, 18,385.44 and 8,613.02

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Solution

The fourth proportional to 13,327.22, 18,385.44 and 8,613.02 is: 11,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.22 : 18,385.44 = 8,613.02 : x
  2. Step 2: Convert to fraction form
    13,327.22/18,385.44 = 8,613.02/x
  3. Step 3: Cross multiply
    13,327.22x = 18,385.44 × 8,613.02
  4. Step 4: Simplify right side
    13,327.22x = 158,354,162.43
  5. Step 5: Solve for x
    x = 158,354,162.43/13,327.22
  6. Step 6: Final answer
    x = 11,882.01

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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.