Home / 12,397.26-18,552.42-8,891.22

Finding the Fourth Proportional to 12,397.26, 18,552.42 and 8,891.22

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Solution

The fourth proportional to 12,397.26, 18,552.42 and 8,891.22 is: 13,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.26 : 18,552.42 = 8,891.22 : x
  2. Step 2: Convert to fraction form
    12,397.26/18,552.42 = 8,891.22/x
  3. Step 3: Cross multiply
    12,397.26x = 18,552.42 × 8,891.22
  4. Step 4: Simplify right side
    12,397.26x = 164,953,647.75
  5. Step 5: Solve for x
    x = 164,953,647.75/12,397.26
  6. Step 6: Final answer
    x = 13,305.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.