Home / 13,375.20-20,065.59-4,014.84

Finding the Fourth Proportional to 13,375.20, 20,065.59 and 4,014.84

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Solution

The fourth proportional to 13,375.20, 20,065.59 and 4,014.84 is: 6,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.20 : 20,065.59 = 4,014.84 : x
  2. Step 2: Convert to fraction form
    13,375.20/20,065.59 = 4,014.84/x
  3. Step 3: Cross multiply
    13,375.20x = 20,065.59 × 4,014.84
  4. Step 4: Simplify right side
    13,375.20x = 80,560,133.36
  5. Step 5: Solve for x
    x = 80,560,133.36/13,375.20
  6. Step 6: Final answer
    x = 6,023.10

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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.