Home / 21,199.56-29,253.92-11,767.38

Finding the Fourth Proportional to 21,199.56, 29,253.92 and 11,767.38

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Solution

The fourth proportional to 21,199.56, 29,253.92 and 11,767.38 is: 16,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,199.56 : 29,253.92 = 11,767.38 : x
  2. Step 2: Convert to fraction form
    21,199.56/29,253.92 = 11,767.38/x
  3. Step 3: Cross multiply
    21,199.56x = 29,253.92 × 11,767.38
  4. Step 4: Simplify right side
    21,199.56x = 344,241,993.13
  5. Step 5: Solve for x
    x = 344,241,993.13/21,199.56
  6. Step 6: Final answer
    x = 16,238.17

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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.