Home / 9,906.40-14,865.36-4,067.20

Finding the Fourth Proportional to 9,906.40, 14,865.36 and 4,067.20

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Solution

The fourth proportional to 9,906.40, 14,865.36 and 4,067.20 is: 6,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.40 : 14,865.36 = 4,067.20 : x
  2. Step 2: Convert to fraction form
    9,906.40/14,865.36 = 4,067.20/x
  3. Step 3: Cross multiply
    9,906.40x = 14,865.36 × 4,067.20
  4. Step 4: Simplify right side
    9,906.40x = 60,460,392.19
  5. Step 5: Solve for x
    x = 60,460,392.19/9,906.40
  6. Step 6: Final answer
    x = 6,103.16

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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.