Home / 13,382.76-20,071.98-4,148.04

Finding the Fourth Proportional to 13,382.76, 20,071.98 and 4,148.04

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Solution

The fourth proportional to 13,382.76, 20,071.98 and 4,148.04 is: 6,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.76 : 20,071.98 = 4,148.04 : x
  2. Step 2: Convert to fraction form
    13,382.76/20,071.98 = 4,148.04/x
  3. Step 3: Cross multiply
    13,382.76x = 20,071.98 × 4,148.04
  4. Step 4: Simplify right side
    13,382.76x = 83,259,375.92
  5. Step 5: Solve for x
    x = 83,259,375.92/13,382.76
  6. Step 6: Final answer
    x = 6,221.39

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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.