Home / 21,199.92-29,254.56-11,768.52

Finding the Fourth Proportional to 21,199.92, 29,254.56 and 11,768.52

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Solution

The fourth proportional to 21,199.92, 29,254.56 and 11,768.52 is: 16,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.92 : 29,254.56 = 11,768.52 : x
  2. Step 2: Convert to fraction form
    21,199.92/29,254.56 = 11,768.52/x
  3. Step 3: Cross multiply
    21,199.92x = 29,254.56 × 11,768.52
  4. Step 4: Simplify right side
    21,199.92x = 344,282,874.45
  5. Step 5: Solve for x
    x = 344,282,874.45/21,199.92
  6. Step 6: Final answer
    x = 16,239.82

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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.