Home / 13,479.11-20,218.67-6,074.91

Finding the Fourth Proportional to 13,479.11, 20,218.67 and 6,074.91

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Solution

The fourth proportional to 13,479.11, 20,218.67 and 6,074.91 is: 9,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.11 : 20,218.67 = 6,074.91 : x
  2. Step 2: Convert to fraction form
    13,479.11/20,218.67 = 6,074.91/x
  3. Step 3: Cross multiply
    13,479.11x = 20,218.67 × 6,074.91
  4. Step 4: Simplify right side
    13,479.11x = 122,826,600.57
  5. Step 5: Solve for x
    x = 122,826,600.57/13,479.11
  6. Step 6: Final answer
    x = 9,112.37

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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.