Home / 13,380.39-20,066.46-9,246.96

Finding the Fourth Proportional to 13,380.39, 20,066.46 and 9,246.96

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Solution

The fourth proportional to 13,380.39, 20,066.46 and 9,246.96 is: 13,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.39 : 20,066.46 = 9,246.96 : x
  2. Step 2: Convert to fraction form
    13,380.39/20,066.46 = 9,246.96/x
  3. Step 3: Cross multiply
    13,380.39x = 20,066.46 × 9,246.96
  4. Step 4: Simplify right side
    13,380.39x = 185,553,752.96
  5. Step 5: Solve for x
    x = 185,553,752.96/13,380.39
  6. Step 6: Final answer
    x = 13,867.59

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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.