Home / 13,330.60-20,012.10-6,753.40

Finding the Fourth Proportional to 13,330.60, 20,012.10 and 6,753.40

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Solution

The fourth proportional to 13,330.60, 20,012.10 and 6,753.40 is: 10,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.60 : 20,012.10 = 6,753.40 : x
  2. Step 2: Convert to fraction form
    13,330.60/20,012.10 = 6,753.40/x
  3. Step 3: Cross multiply
    13,330.60x = 20,012.10 × 6,753.40
  4. Step 4: Simplify right side
    13,330.60x = 135,149,716.14
  5. Step 5: Solve for x
    x = 135,149,716.14/13,330.60
  6. Step 6: Final answer
    x = 10,138.31

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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.