Home / 13,198.60-19,769.10-10,253.80

Finding the Fourth Proportional to 13,198.60, 19,769.10 and 10,253.80

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Solution

The fourth proportional to 13,198.60, 19,769.10 and 10,253.80 is: 15,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.60 : 19,769.10 = 10,253.80 : x
  2. Step 2: Convert to fraction form
    13,198.60/19,769.10 = 10,253.80/x
  3. Step 3: Cross multiply
    13,198.60x = 19,769.10 × 10,253.80
  4. Step 4: Simplify right side
    13,198.60x = 202,708,397.58
  5. Step 5: Solve for x
    x = 202,708,397.58/13,198.60
  6. Step 6: Final answer
    x = 15,358.33

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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.