Home / 13,306.07-19,963.32-3,946.13

Finding the Fourth Proportional to 13,306.07, 19,963.32 and 3,946.13

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Solution

The fourth proportional to 13,306.07, 19,963.32 and 3,946.13 is: 5,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.07 : 19,963.32 = 3,946.13 : x
  2. Step 2: Convert to fraction form
    13,306.07/19,963.32 = 3,946.13/x
  3. Step 3: Cross multiply
    13,306.07x = 19,963.32 × 3,946.13
  4. Step 4: Simplify right side
    13,306.07x = 78,777,872.02
  5. Step 5: Solve for x
    x = 78,777,872.02/13,306.07
  6. Step 6: Final answer
    x = 5,920.45

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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.