Home / 13,170.20-19,752.33-3,808.13

Finding the Fourth Proportional to 13,170.20, 19,752.33 and 3,808.13

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Solution

The fourth proportional to 13,170.20, 19,752.33 and 3,808.13 is: 5,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.20 : 19,752.33 = 3,808.13 : x
  2. Step 2: Convert to fraction form
    13,170.20/19,752.33 = 3,808.13/x
  3. Step 3: Cross multiply
    13,170.20x = 19,752.33 × 3,808.13
  4. Step 4: Simplify right side
    13,170.20x = 75,219,440.44
  5. Step 5: Solve for x
    x = 75,219,440.44/13,170.20
  6. Step 6: Final answer
    x = 5,711.34

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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.