Home / 11,251.74-15,517.32-9,369.56

Finding the Fourth Proportional to 11,251.74, 15,517.32 and 9,369.56

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Solution

The fourth proportional to 11,251.74, 15,517.32 and 9,369.56 is: 12,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.74 : 15,517.32 = 9,369.56 : x
  2. Step 2: Convert to fraction form
    11,251.74/15,517.32 = 9,369.56/x
  3. Step 3: Cross multiply
    11,251.74x = 15,517.32 × 9,369.56
  4. Step 4: Simplify right side
    11,251.74x = 145,390,383.19
  5. Step 5: Solve for x
    x = 145,390,383.19/11,251.74
  6. Step 6: Final answer
    x = 12,921.59

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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.