Home / 9,418.44-14,129.52-3,178.20

Finding the Fourth Proportional to 9,418.44, 14,129.52 and 3,178.20

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Solution

The fourth proportional to 9,418.44, 14,129.52 and 3,178.20 is: 4,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.44 : 14,129.52 = 3,178.20 : x
  2. Step 2: Convert to fraction form
    9,418.44/14,129.52 = 3,178.20/x
  3. Step 3: Cross multiply
    9,418.44x = 14,129.52 × 3,178.20
  4. Step 4: Simplify right side
    9,418.44x = 44,906,440.46
  5. Step 5: Solve for x
    x = 44,906,440.46/9,418.44
  6. Step 6: Final answer
    x = 4,767.93

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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.