Home / 9,418.40-14,122.60-3,176.32

Finding the Fourth Proportional to 9,418.40, 14,122.60 and 3,176.32

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Solution

The fourth proportional to 9,418.40, 14,122.60 and 3,176.32 is: 4,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.40 : 14,122.60 = 3,176.32 : x
  2. Step 2: Convert to fraction form
    9,418.40/14,122.60 = 3,176.32/x
  3. Step 3: Cross multiply
    9,418.40x = 14,122.60 × 3,176.32
  4. Step 4: Simplify right side
    9,418.40x = 44,857,896.83
  5. Step 5: Solve for x
    x = 44,857,896.83/9,418.40
  6. Step 6: Final answer
    x = 4,762.79

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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.