Home / 13,460.92-18,591.62-8,976.88

Finding the Fourth Proportional to 13,460.92, 18,591.62 and 8,976.88

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Solution

The fourth proportional to 13,460.92, 18,591.62 and 8,976.88 is: 12,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.92 : 18,591.62 = 8,976.88 : x
  2. Step 2: Convert to fraction form
    13,460.92/18,591.62 = 8,976.88/x
  3. Step 3: Cross multiply
    13,460.92x = 18,591.62 × 8,976.88
  4. Step 4: Simplify right side
    13,460.92x = 166,894,770.60
  5. Step 5: Solve for x
    x = 166,894,770.60/13,460.92
  6. Step 6: Final answer
    x = 12,398.47

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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.