Home / 21,452.94-29,606.14-11,893.84

Finding the Fourth Proportional to 21,452.94, 29,606.14 and 11,893.84

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Solution

The fourth proportional to 21,452.94, 29,606.14 and 11,893.84 is: 16,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.94 : 29,606.14 = 11,893.84 : x
  2. Step 2: Convert to fraction form
    21,452.94/29,606.14 = 11,893.84/x
  3. Step 3: Cross multiply
    21,452.94x = 29,606.14 × 11,893.84
  4. Step 4: Simplify right side
    21,452.94x = 352,130,692.18
  5. Step 5: Solve for x
    x = 352,130,692.18/21,452.94
  6. Step 6: Final answer
    x = 16,414.10

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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.