Home / 22,452.81-30,982.51-12,380.66

Finding the Fourth Proportional to 22,452.81, 30,982.51 and 12,380.66

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Solution

The fourth proportional to 22,452.81, 30,982.51 and 12,380.66 is: 17,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.81 : 30,982.51 = 12,380.66 : x
  2. Step 2: Convert to fraction form
    22,452.81/30,982.51 = 12,380.66/x
  3. Step 3: Cross multiply
    22,452.81x = 30,982.51 × 12,380.66
  4. Step 4: Simplify right side
    22,452.81x = 383,583,922.26
  5. Step 5: Solve for x
    x = 383,583,922.26/22,452.81
  6. Step 6: Final answer
    x = 17,084.01

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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.