Home / 13,324.48-18,385.92-8,841.28

Finding the Fourth Proportional to 13,324.48, 18,385.92 and 8,841.28

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Solution

The fourth proportional to 13,324.48, 18,385.92 and 8,841.28 is: 12,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.48 : 18,385.92 = 8,841.28 : x
  2. Step 2: Convert to fraction form
    13,324.48/18,385.92 = 8,841.28/x
  3. Step 3: Cross multiply
    13,324.48x = 18,385.92 × 8,841.28
  4. Step 4: Simplify right side
    13,324.48x = 162,555,066.78
  5. Step 5: Solve for x
    x = 162,555,066.78/13,324.48
  6. Step 6: Final answer
    x = 12,199.73

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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.