Home / 21,049.44-29,047.90-11,618.08

Finding the Fourth Proportional to 21,049.44, 29,047.90 and 11,618.08

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Solution

The fourth proportional to 21,049.44, 29,047.90 and 11,618.08 is: 16,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.44 : 29,047.90 = 11,618.08 : x
  2. Step 2: Convert to fraction form
    21,049.44/29,047.90 = 11,618.08/x
  3. Step 3: Cross multiply
    21,049.44x = 29,047.90 × 11,618.08
  4. Step 4: Simplify right side
    21,049.44x = 337,480,826.03
  5. Step 5: Solve for x
    x = 337,480,826.03/21,049.44
  6. Step 6: Final answer
    x = 16,032.77

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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.