Home / 15,158.60-20,926.42-11,747.96

Finding the Fourth Proportional to 15,158.60, 20,926.42 and 11,747.96

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Solution

The fourth proportional to 15,158.60, 20,926.42 and 11,747.96 is: 16,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158.60 : 20,926.42 = 11,747.96 : x
  2. Step 2: Convert to fraction form
    15,158.60/20,926.42 = 11,747.96/x
  3. Step 3: Cross multiply
    15,158.60x = 20,926.42 × 11,747.96
  4. Step 4: Simplify right side
    15,158.60x = 245,842,745.10
  5. Step 5: Solve for x
    x = 245,842,745.10/15,158.60
  6. Step 6: Final answer
    x = 16,218.04

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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.