Home / 11,679.39-16,117.54-6,374.25

Finding the Fourth Proportional to 11,679.39, 16,117.54 and 6,374.25

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Solution

The fourth proportional to 11,679.39, 16,117.54 and 6,374.25 is: 8,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.39 : 16,117.54 = 6,374.25 : x
  2. Step 2: Convert to fraction form
    11,679.39/16,117.54 = 6,374.25/x
  3. Step 3: Cross multiply
    11,679.39x = 16,117.54 × 6,374.25
  4. Step 4: Simplify right side
    11,679.39x = 102,737,229.35
  5. Step 5: Solve for x
    x = 102,737,229.35/11,679.39
  6. Step 6: Final answer
    x = 8,796.46

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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.