Home / 9,913.26-13,679.16-5,879.46

Finding the Fourth Proportional to 9,913.26, 13,679.16 and 5,879.46

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Solution

The fourth proportional to 9,913.26, 13,679.16 and 5,879.46 is: 8,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.26 : 13,679.16 = 5,879.46 : x
  2. Step 2: Convert to fraction form
    9,913.26/13,679.16 = 5,879.46/x
  3. Step 3: Cross multiply
    9,913.26x = 13,679.16 × 5,879.46
  4. Step 4: Simplify right side
    9,913.26x = 80,426,074.05
  5. Step 5: Solve for x
    x = 80,426,074.05/9,913.26
  6. Step 6: Final answer
    x = 8,112.98

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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.