Home / 12,963.84-19,432.32-11,823.36

Finding the Fourth Proportional to 12,963.84, 19,432.32 and 11,823.36

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Solution

The fourth proportional to 12,963.84, 19,432.32 and 11,823.36 is: 17,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.84 : 19,432.32 = 11,823.36 : x
  2. Step 2: Convert to fraction form
    12,963.84/19,432.32 = 11,823.36/x
  3. Step 3: Cross multiply
    12,963.84x = 19,432.32 × 11,823.36
  4. Step 4: Simplify right side
    12,963.84x = 229,755,315.00
  5. Step 5: Solve for x
    x = 229,755,315.00/12,963.84
  6. Step 6: Final answer
    x = 17,722.78

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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.