Home / 9,976.16-13,764.24-6,441.38

Finding the Fourth Proportional to 9,976.16, 13,764.24 and 6,441.38

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Solution

The fourth proportional to 9,976.16, 13,764.24 and 6,441.38 is: 8,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.16 : 13,764.24 = 6,441.38 : x
  2. Step 2: Convert to fraction form
    9,976.16/13,764.24 = 6,441.38/x
  3. Step 3: Cross multiply
    9,976.16x = 13,764.24 × 6,441.38
  4. Step 4: Simplify right side
    9,976.16x = 88,660,700.25
  5. Step 5: Solve for x
    x = 88,660,700.25/9,976.16
  6. Step 6: Final answer
    x = 8,887.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.