Home / 22,355.79-30,851.06-12,284.43

Finding the Fourth Proportional to 22,355.79, 30,851.06 and 12,284.43

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Solution

The fourth proportional to 22,355.79, 30,851.06 and 12,284.43 is: 16,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.79 : 30,851.06 = 12,284.43 : x
  2. Step 2: Convert to fraction form
    22,355.79/30,851.06 = 12,284.43/x
  3. Step 3: Cross multiply
    22,355.79x = 30,851.06 × 12,284.43
  4. Step 4: Simplify right side
    22,355.79x = 378,987,625.57
  5. Step 5: Solve for x
    x = 378,987,625.57/22,355.79
  6. Step 6: Final answer
    x = 16,952.55

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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.