Home / 11,331.60-15,652.56-9,449.34

Finding the Fourth Proportional to 11,331.60, 15,652.56 and 9,449.34

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Solution

The fourth proportional to 11,331.60, 15,652.56 and 9,449.34 is: 13,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.60 : 15,652.56 = 9,449.34 : x
  2. Step 2: Convert to fraction form
    11,331.60/15,652.56 = 9,449.34/x
  3. Step 3: Cross multiply
    11,331.60x = 15,652.56 × 9,449.34
  4. Step 4: Simplify right side
    11,331.60x = 147,906,361.31
  5. Step 5: Solve for x
    x = 147,906,361.31/11,331.60
  6. Step 6: Final answer
    x = 13,052.56

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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.