Home / 10,994.76-15,171.12-6,278.04

Finding the Fourth Proportional to 10,994.76, 15,171.12 and 6,278.04

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Solution

The fourth proportional to 10,994.76, 15,171.12 and 6,278.04 is: 8,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.76 : 15,171.12 = 6,278.04 : x
  2. Step 2: Convert to fraction form
    10,994.76/15,171.12 = 6,278.04/x
  3. Step 3: Cross multiply
    10,994.76x = 15,171.12 × 6,278.04
  4. Step 4: Simplify right side
    10,994.76x = 95,244,898.20
  5. Step 5: Solve for x
    x = 95,244,898.20/10,994.76
  6. Step 6: Final answer
    x = 8,662.75

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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.