Home / 21,258.08-29,335.44-11,827.04

Finding the Fourth Proportional to 21,258.08, 29,335.44 and 11,827.04

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Solution

The fourth proportional to 21,258.08, 29,335.44 and 11,827.04 is: 16,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,258.08 : 29,335.44 = 11,827.04 : x
  2. Step 2: Convert to fraction form
    21,258.08/29,335.44 = 11,827.04/x
  3. Step 3: Cross multiply
    21,258.08x = 29,335.44 × 11,827.04
  4. Step 4: Simplify right side
    21,258.08x = 346,951,422.30
  5. Step 5: Solve for x
    x = 346,951,422.30/21,258.08
  6. Step 6: Final answer
    x = 16,320.92

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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.