Home / 17,380.28-23,993.16-12,355.04

Finding the Fourth Proportional to 17,380.28, 23,993.16 and 12,355.04

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Solution

The fourth proportional to 17,380.28, 23,993.16 and 12,355.04 is: 17,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.28 : 23,993.16 = 12,355.04 : x
  2. Step 2: Convert to fraction form
    17,380.28/23,993.16 = 12,355.04/x
  3. Step 3: Cross multiply
    17,380.28x = 23,993.16 × 12,355.04
  4. Step 4: Simplify right side
    17,380.28x = 296,436,451.53
  5. Step 5: Solve for x
    x = 296,436,451.53/17,380.28
  6. Step 6: Final answer
    x = 17,055.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.