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Finding the Fourth Proportional to 9,994.08, 15,000.40 and 5,067.20

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Solution

The fourth proportional to 9,994.08, 15,000.40 and 5,067.20 is: 7,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.08 : 15,000.40 = 5,067.20 : x
  2. Step 2: Convert to fraction form
    9,994.08/15,000.40 = 5,067.20/x
  3. Step 3: Cross multiply
    9,994.08x = 15,000.40 × 5,067.20
  4. Step 4: Simplify right side
    9,994.08x = 76,010,026.88
  5. Step 5: Solve for x
    x = 76,010,026.88/9,994.08
  6. Step 6: Final answer
    x = 7,605.51

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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.