Home / 12,560.09-18,843.29-8,869.54

Finding the Fourth Proportional to 12,560.09, 18,843.29 and 8,869.54

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Solution

The fourth proportional to 12,560.09, 18,843.29 and 8,869.54 is: 13,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.09 : 18,843.29 = 8,869.54 : x
  2. Step 2: Convert to fraction form
    12,560.09/18,843.29 = 8,869.54/x
  3. Step 3: Cross multiply
    12,560.09x = 18,843.29 × 8,869.54
  4. Step 4: Simplify right side
    12,560.09x = 167,131,175.82
  5. Step 5: Solve for x
    x = 167,131,175.82/12,560.09
  6. Step 6: Final answer
    x = 13,306.53

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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.