Home / 13,944.60-20,912.85-5,058.90

Finding the Fourth Proportional to 13,944.60, 20,912.85 and 5,058.90

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Solution

The fourth proportional to 13,944.60, 20,912.85 and 5,058.90 is: 7,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.60 : 20,912.85 = 5,058.90 : x
  2. Step 2: Convert to fraction form
    13,944.60/20,912.85 = 5,058.90/x
  3. Step 3: Cross multiply
    13,944.60x = 20,912.85 × 5,058.90
  4. Step 4: Simplify right side
    13,944.60x = 105,796,016.87
  5. Step 5: Solve for x
    x = 105,796,016.87/13,944.60
  6. Step 6: Final answer
    x = 7,586.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.