Home / 10,179.12-15,274.40-5,499.04

Finding the Fourth Proportional to 10,179.12, 15,274.40 and 5,499.04

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Solution

The fourth proportional to 10,179.12, 15,274.40 and 5,499.04 is: 8,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.12 : 15,274.40 = 5,499.04 : x
  2. Step 2: Convert to fraction form
    10,179.12/15,274.40 = 5,499.04/x
  3. Step 3: Cross multiply
    10,179.12x = 15,274.40 × 5,499.04
  4. Step 4: Simplify right side
    10,179.12x = 83,994,536.58
  5. Step 5: Solve for x
    x = 83,994,536.58/10,179.12
  6. Step 6: Final answer
    x = 8,251.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.