Home / 9,963.32-14,946.39-3,390.57

Finding the Fourth Proportional to 9,963.32, 14,946.39 and 3,390.57

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Solution

The fourth proportional to 9,963.32, 14,946.39 and 3,390.57 is: 5,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.32 : 14,946.39 = 3,390.57 : x
  2. Step 2: Convert to fraction form
    9,963.32/14,946.39 = 3,390.57/x
  3. Step 3: Cross multiply
    9,963.32x = 14,946.39 × 3,390.57
  4. Step 4: Simplify right side
    9,963.32x = 50,676,781.54
  5. Step 5: Solve for x
    x = 50,676,781.54/9,963.32
  6. Step 6: Final answer
    x = 5,086.34

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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.