Home / 21,763.82-30,032.33-12,202.40

Finding the Fourth Proportional to 21,763.82, 30,032.33 and 12,202.40

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Solution

The fourth proportional to 21,763.82, 30,032.33 and 12,202.40 is: 16,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.82 : 30,032.33 = 12,202.40 : x
  2. Step 2: Convert to fraction form
    21,763.82/30,032.33 = 12,202.40/x
  3. Step 3: Cross multiply
    21,763.82x = 30,032.33 × 12,202.40
  4. Step 4: Simplify right side
    21,763.82x = 366,466,517.66
  5. Step 5: Solve for x
    x = 366,466,517.66/21,763.82
  6. Step 6: Final answer
    x = 16,838.33

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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.