Home / 22,023.70-30,382.32-12,586.75

Finding the Fourth Proportional to 22,023.70, 30,382.32 and 12,586.75

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Solution

The fourth proportional to 22,023.70, 30,382.32 and 12,586.75 is: 17,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,023.70 : 30,382.32 = 12,586.75 : x
  2. Step 2: Convert to fraction form
    22,023.70/30,382.32 = 12,586.75/x
  3. Step 3: Cross multiply
    22,023.70x = 30,382.32 × 12,586.75
  4. Step 4: Simplify right side
    22,023.70x = 382,414,666.26
  5. Step 5: Solve for x
    x = 382,414,666.26/22,023.70
  6. Step 6: Final answer
    x = 17,363.78

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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.