Home / 13,454.67-18,566.10-8,149.17

Finding the Fourth Proportional to 13,454.67, 18,566.10 and 8,149.17

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Solution

The fourth proportional to 13,454.67, 18,566.10 and 8,149.17 is: 11,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.67 : 18,566.10 = 8,149.17 : x
  2. Step 2: Convert to fraction form
    13,454.67/18,566.10 = 8,149.17/x
  3. Step 3: Cross multiply
    13,454.67x = 18,566.10 × 8,149.17
  4. Step 4: Simplify right side
    13,454.67x = 151,298,305.14
  5. Step 5: Solve for x
    x = 151,298,305.14/13,454.67
  6. Step 6: Final answer
    x = 11,245.04

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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.