Home / 21,414.09-29,551.41-11,723.46

Finding the Fourth Proportional to 21,414.09, 29,551.41 and 11,723.46

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Solution

The fourth proportional to 21,414.09, 29,551.41 and 11,723.46 is: 16,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.09 : 29,551.41 = 11,723.46 : x
  2. Step 2: Convert to fraction form
    21,414.09/29,551.41 = 11,723.46/x
  3. Step 3: Cross multiply
    21,414.09x = 29,551.41 × 11,723.46
  4. Step 4: Simplify right side
    21,414.09x = 346,444,773.08
  5. Step 5: Solve for x
    x = 346,444,773.08/21,414.09
  6. Step 6: Final answer
    x = 16,178.36

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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.