Home / 21,414.93-29,551.35-11,854.26

Finding the Fourth Proportional to 21,414.93, 29,551.35 and 11,854.26

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Solution

The fourth proportional to 21,414.93, 29,551.35 and 11,854.26 is: 16,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.93 : 29,551.35 = 11,854.26 : x
  2. Step 2: Convert to fraction form
    21,414.93/29,551.35 = 11,854.26/x
  3. Step 3: Cross multiply
    21,414.93x = 29,551.35 × 11,854.26
  4. Step 4: Simplify right side
    21,414.93x = 350,309,386.25
  5. Step 5: Solve for x
    x = 350,309,386.25/21,414.93
  6. Step 6: Final answer
    x = 16,358.18

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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.