Home / 21,677.12-32,463.74-11,119.38

Finding the Fourth Proportional to 21,677.12, 32,463.74 and 11,119.38

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Solution

The fourth proportional to 21,677.12, 32,463.74 and 11,119.38 is: 16,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.12 : 32,463.74 = 11,119.38 : x
  2. Step 2: Convert to fraction form
    21,677.12/32,463.74 = 11,119.38/x
  3. Step 3: Cross multiply
    21,677.12x = 32,463.74 × 11,119.38
  4. Step 4: Simplify right side
    21,677.12x = 360,976,504.79
  5. Step 5: Solve for x
    x = 360,976,504.79/21,677.12
  6. Step 6: Final answer
    x = 16,652.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.