Home / 21,367.28-29,480.84-12,292.17

Finding the Fourth Proportional to 21,367.28, 29,480.84 and 12,292.17

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Solution

The fourth proportional to 21,367.28, 29,480.84 and 12,292.17 is: 16,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.28 : 29,480.84 = 12,292.17 : x
  2. Step 2: Convert to fraction form
    21,367.28/29,480.84 = 12,292.17/x
  3. Step 3: Cross multiply
    21,367.28x = 29,480.84 × 12,292.17
  4. Step 4: Simplify right side
    21,367.28x = 362,383,454.05
  5. Step 5: Solve for x
    x = 362,383,454.05/21,367.28
  6. Step 6: Final answer
    x = 16,959.74

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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.