Home / 9,119.97-13,686.11-3,572.62

Finding the Fourth Proportional to 9,119.97, 13,686.11 and 3,572.62

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Solution

The fourth proportional to 9,119.97, 13,686.11 and 3,572.62 is: 5,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.97 : 13,686.11 = 3,572.62 : x
  2. Step 2: Convert to fraction form
    9,119.97/13,686.11 = 3,572.62/x
  3. Step 3: Cross multiply
    9,119.97x = 13,686.11 × 3,572.62
  4. Step 4: Simplify right side
    9,119.97x = 48,895,270.31
  5. Step 5: Solve for x
    x = 48,895,270.31/9,119.97
  6. Step 6: Final answer
    x = 5,361.34

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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.