Home / 12,346.62-17,043.96-7,876.50

Finding the Fourth Proportional to 12,346.62, 17,043.96 and 7,876.50

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Solution

The fourth proportional to 12,346.62, 17,043.96 and 7,876.50 is: 10,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.62 : 17,043.96 = 7,876.50 : x
  2. Step 2: Convert to fraction form
    12,346.62/17,043.96 = 7,876.50/x
  3. Step 3: Cross multiply
    12,346.62x = 17,043.96 × 7,876.50
  4. Step 4: Simplify right side
    12,346.62x = 134,246,750.94
  5. Step 5: Solve for x
    x = 134,246,750.94/12,346.62
  6. Step 6: Final answer
    x = 10,873.16

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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.