Home / 17,385.80-26,074.68-10,367.78

Finding the Fourth Proportional to 17,385.80, 26,074.68 and 10,367.78

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Solution

The fourth proportional to 17,385.80, 26,074.68 and 10,367.78 is: 15,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.80 : 26,074.68 = 10,367.78 : x
  2. Step 2: Convert to fraction form
    17,385.80/26,074.68 = 10,367.78/x
  3. Step 3: Cross multiply
    17,385.80x = 26,074.68 × 10,367.78
  4. Step 4: Simplify right side
    17,385.80x = 270,336,545.81
  5. Step 5: Solve for x
    x = 270,336,545.81/17,385.80
  6. Step 6: Final answer
    x = 15,549.27

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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.