Home / 9,966.44-14,949.90-4,121.48

Finding the Fourth Proportional to 9,966.44, 14,949.90 and 4,121.48

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Solution

The fourth proportional to 9,966.44, 14,949.90 and 4,121.48 is: 6,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.44 : 14,949.90 = 4,121.48 : x
  2. Step 2: Convert to fraction form
    9,966.44/14,949.90 = 4,121.48/x
  3. Step 3: Cross multiply
    9,966.44x = 14,949.90 × 4,121.48
  4. Step 4: Simplify right side
    9,966.44x = 61,615,713.85
  5. Step 5: Solve for x
    x = 61,615,713.85/9,966.44
  6. Step 6: Final answer
    x = 6,182.32

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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.