Home / 9,961.28-14,922.48-7,323.92

Finding the Fourth Proportional to 9,961.28, 14,922.48 and 7,323.92

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Solution

The fourth proportional to 9,961.28, 14,922.48 and 7,323.92 is: 10,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.28 : 14,922.48 = 7,323.92 : x
  2. Step 2: Convert to fraction form
    9,961.28/14,922.48 = 7,323.92/x
  3. Step 3: Cross multiply
    9,961.28x = 14,922.48 × 7,323.92
  4. Step 4: Simplify right side
    9,961.28x = 109,291,049.72
  5. Step 5: Solve for x
    x = 109,291,049.72/9,961.28
  6. Step 6: Final answer
    x = 10,971.59

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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.