Home / 15,162.82-20,928.45-9,502.54

Finding the Fourth Proportional to 15,162.82, 20,928.45 and 9,502.54

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Solution

The fourth proportional to 15,162.82, 20,928.45 and 9,502.54 is: 13,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,162.82 : 20,928.45 = 9,502.54 : x
  2. Step 2: Convert to fraction form
    15,162.82/20,928.45 = 9,502.54/x
  3. Step 3: Cross multiply
    15,162.82x = 20,928.45 × 9,502.54
  4. Step 4: Simplify right side
    15,162.82x = 198,873,433.26
  5. Step 5: Solve for x
    x = 198,873,433.26/15,162.82
  6. Step 6: Final answer
    x = 13,115.86

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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.