Home / 13,338.66-20,009.16-6,760.62

Finding the Fourth Proportional to 13,338.66, 20,009.16 and 6,760.62

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Solution

The fourth proportional to 13,338.66, 20,009.16 and 6,760.62 is: 10,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.66 : 20,009.16 = 6,760.62 : x
  2. Step 2: Convert to fraction form
    13,338.66/20,009.16 = 6,760.62/x
  3. Step 3: Cross multiply
    13,338.66x = 20,009.16 × 6,760.62
  4. Step 4: Simplify right side
    13,338.66x = 135,274,327.28
  5. Step 5: Solve for x
    x = 135,274,327.28/13,338.66
  6. Step 6: Final answer
    x = 10,141.52

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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.