Home / 21,414.08-29,552.88-11,983.52

Finding the Fourth Proportional to 21,414.08, 29,552.88 and 11,983.52

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Solution

The fourth proportional to 21,414.08, 29,552.88 and 11,983.52 is: 16,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.08 : 29,552.88 = 11,983.52 : x
  2. Step 2: Convert to fraction form
    21,414.08/29,552.88 = 11,983.52/x
  3. Step 3: Cross multiply
    21,414.08x = 29,552.88 × 11,983.52
  4. Step 4: Simplify right side
    21,414.08x = 354,147,528.54
  5. Step 5: Solve for x
    x = 354,147,528.54/21,414.08
  6. Step 6: Final answer
    x = 16,538.07

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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.