Home / 11,679.26-16,117.48-6,374.12

Finding the Fourth Proportional to 11,679.26, 16,117.48 and 6,374.12

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Solution

The fourth proportional to 11,679.26, 16,117.48 and 6,374.12 is: 8,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.26 : 16,117.48 = 6,374.12 : x
  2. Step 2: Convert to fraction form
    11,679.26/16,117.48 = 6,374.12/x
  3. Step 3: Cross multiply
    11,679.26x = 16,117.48 × 6,374.12
  4. Step 4: Simplify right side
    11,679.26x = 102,734,751.62
  5. Step 5: Solve for x
    x = 102,734,751.62/11,679.26
  6. Step 6: Final answer
    x = 8,796.34

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1.5x scale

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.