Home / 15,164.31-20,926.75-8,876.69

Finding the Fourth Proportional to 15,164.31, 20,926.75 and 8,876.69

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Solution

The fourth proportional to 15,164.31, 20,926.75 and 8,876.69 is: 12,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164.31 : 20,926.75 = 8,876.69 : x
  2. Step 2: Convert to fraction form
    15,164.31/20,926.75 = 8,876.69/x
  3. Step 3: Cross multiply
    15,164.31x = 20,926.75 × 8,876.69
  4. Step 4: Simplify right side
    15,164.31x = 185,760,272.46
  5. Step 5: Solve for x
    x = 185,760,272.46/15,164.31
  6. Step 6: Final answer
    x = 12,249.83

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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.