Home / 14,568.39-20,103.80-8,195.11

Finding the Fourth Proportional to 14,568.39, 20,103.80 and 8,195.11

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Solution

The fourth proportional to 14,568.39, 20,103.80 and 8,195.11 is: 11,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.39 : 20,103.80 = 8,195.11 : x
  2. Step 2: Convert to fraction form
    14,568.39/20,103.80 = 8,195.11/x
  3. Step 3: Cross multiply
    14,568.39x = 20,103.80 × 8,195.11
  4. Step 4: Simplify right side
    14,568.39x = 164,752,761.18
  5. Step 5: Solve for x
    x = 164,752,761.18/14,568.39
  6. Step 6: Final answer
    x = 11,308.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.