Home / 22,022.70-30,380.94-12,585.75

Finding the Fourth Proportional to 22,022.70, 30,380.94 and 12,585.75

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Solution

The fourth proportional to 22,022.70, 30,380.94 and 12,585.75 is: 17,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.70 : 30,380.94 = 12,585.75 : x
  2. Step 2: Convert to fraction form
    22,022.70/30,380.94 = 12,585.75/x
  3. Step 3: Cross multiply
    22,022.70x = 30,380.94 × 12,585.75
  4. Step 4: Simplify right side
    22,022.70x = 382,366,915.61
  5. Step 5: Solve for x
    x = 382,366,915.61/22,022.70
  6. Step 6: Final answer
    x = 17,362.40

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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.