Home / 22,452.43-30,983.65-12,381.30

Finding the Fourth Proportional to 22,452.43, 30,983.65 and 12,381.30

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Solution

The fourth proportional to 22,452.43, 30,983.65 and 12,381.30 is: 17,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.43 : 30,983.65 = 12,381.30 : x
  2. Step 2: Convert to fraction form
    22,452.43/30,983.65 = 12,381.30/x
  3. Step 3: Cross multiply
    22,452.43x = 30,983.65 × 12,381.30
  4. Step 4: Simplify right side
    22,452.43x = 383,617,865.75
  5. Step 5: Solve for x
    x = 383,617,865.75/22,452.43
  6. Step 6: Final answer
    x = 17,085.81

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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.