Home / 13,360.27-20,039.59-3,499.33

Finding the Fourth Proportional to 13,360.27, 20,039.59 and 3,499.33

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Solution

The fourth proportional to 13,360.27, 20,039.59 and 3,499.33 is: 5,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.27 : 20,039.59 = 3,499.33 : x
  2. Step 2: Convert to fraction form
    13,360.27/20,039.59 = 3,499.33/x
  3. Step 3: Cross multiply
    13,360.27x = 20,039.59 × 3,499.33
  4. Step 4: Simplify right side
    13,360.27x = 70,125,138.47
  5. Step 5: Solve for x
    x = 70,125,138.47/13,360.27
  6. Step 6: Final answer
    x = 5,248.78

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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.