Home / 13,454.47-20,184.61-4,095.22

Finding the Fourth Proportional to 13,454.47, 20,184.61 and 4,095.22

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Solution

The fourth proportional to 13,454.47, 20,184.61 and 4,095.22 is: 6,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.47 : 20,184.61 = 4,095.22 : x
  2. Step 2: Convert to fraction form
    13,454.47/20,184.61 = 4,095.22/x
  3. Step 3: Cross multiply
    13,454.47x = 20,184.61 × 4,095.22
  4. Step 4: Simplify right side
    13,454.47x = 82,660,418.56
  5. Step 5: Solve for x
    x = 82,660,418.56/13,454.47
  6. Step 6: Final answer
    x = 6,143.71

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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.