Home / 13,380.52-20,043.42-6,254.56

Finding the Fourth Proportional to 13,380.52, 20,043.42 and 6,254.56

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Solution

The fourth proportional to 13,380.52, 20,043.42 and 6,254.56 is: 9,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.52 : 20,043.42 = 6,254.56 : x
  2. Step 2: Convert to fraction form
    13,380.52/20,043.42 = 6,254.56/x
  3. Step 3: Cross multiply
    13,380.52x = 20,043.42 × 6,254.56
  4. Step 4: Simplify right side
    13,380.52x = 125,362,773.00
  5. Step 5: Solve for x
    x = 125,362,773.00/13,380.52
  6. Step 6: Final answer
    x = 9,369.05

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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.