Home / 21,367.67-32,065.25-11,513.79

Finding the Fourth Proportional to 21,367.67, 32,065.25 and 11,513.79

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Solution

The fourth proportional to 21,367.67, 32,065.25 and 11,513.79 is: 17,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.67 : 32,065.25 = 11,513.79 : x
  2. Step 2: Convert to fraction form
    21,367.67/32,065.25 = 11,513.79/x
  3. Step 3: Cross multiply
    21,367.67x = 32,065.25 × 11,513.79
  4. Step 4: Simplify right side
    21,367.67x = 369,192,497.23
  5. Step 5: Solve for x
    x = 369,192,497.23/21,367.67
  6. Step 6: Final answer
    x = 17,278.09

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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.