Home / 17,371.86-25,986.39-13,868.70

Finding the Fourth Proportional to 17,371.86, 25,986.39 and 13,868.70

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Solution

The fourth proportional to 17,371.86, 25,986.39 and 13,868.70 is: 20,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.86 : 25,986.39 = 13,868.70 : x
  2. Step 2: Convert to fraction form
    17,371.86/25,986.39 = 13,868.70/x
  3. Step 3: Cross multiply
    17,371.86x = 25,986.39 × 13,868.70
  4. Step 4: Simplify right side
    17,371.86x = 360,397,446.99
  5. Step 5: Solve for x
    x = 360,397,446.99/17,371.86
  6. Step 6: Final answer
    x = 20,746.05

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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.