Home / 9,954.72-14,921.28-4,106.88

Finding the Fourth Proportional to 9,954.72, 14,921.28 and 4,106.88

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Solution

The fourth proportional to 9,954.72, 14,921.28 and 4,106.88 is: 6,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.72 : 14,921.28 = 4,106.88 : x
  2. Step 2: Convert to fraction form
    9,954.72/14,921.28 = 4,106.88/x
  3. Step 3: Cross multiply
    9,954.72x = 14,921.28 × 4,106.88
  4. Step 4: Simplify right side
    9,954.72x = 61,279,906.41
  5. Step 5: Solve for x
    x = 61,279,906.41/9,954.72
  6. Step 6: Final answer
    x = 6,155.86

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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.