Home / 21,414.94-29,551.95-12,340.33

Finding the Fourth Proportional to 21,414.94, 29,551.95 and 12,340.33

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Solution

The fourth proportional to 21,414.94, 29,551.95 and 12,340.33 is: 17,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.94 : 29,551.95 = 12,340.33 : x
  2. Step 2: Convert to fraction form
    21,414.94/29,551.95 = 12,340.33/x
  3. Step 3: Cross multiply
    21,414.94x = 29,551.95 × 12,340.33
  4. Step 4: Simplify right side
    21,414.94x = 364,680,741.26
  5. Step 5: Solve for x
    x = 364,680,741.26/21,414.94
  6. Step 6: Final answer
    x = 17,029.27

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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.