Home / 13,375.61-20,063.38-4,015.59

Finding the Fourth Proportional to 13,375.61, 20,063.38 and 4,015.59

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Solution

The fourth proportional to 13,375.61, 20,063.38 and 4,015.59 is: 6,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.61 : 20,063.38 = 4,015.59 : x
  2. Step 2: Convert to fraction form
    13,375.61/20,063.38 = 4,015.59/x
  3. Step 3: Cross multiply
    13,375.61x = 20,063.38 × 4,015.59
  4. Step 4: Simplify right side
    13,375.61x = 80,566,373.29
  5. Step 5: Solve for x
    x = 80,566,373.29/13,375.61
  6. Step 6: Final answer
    x = 6,023.38

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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.