Home / 11,113.32-16,647.30-7,205.88

Finding the Fourth Proportional to 11,113.32, 16,647.30 and 7,205.88

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Solution

The fourth proportional to 11,113.32, 16,647.30 and 7,205.88 is: 10,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.32 : 16,647.30 = 7,205.88 : x
  2. Step 2: Convert to fraction form
    11,113.32/16,647.30 = 7,205.88/x
  3. Step 3: Cross multiply
    11,113.32x = 16,647.30 × 7,205.88
  4. Step 4: Simplify right side
    11,113.32x = 119,958,446.12
  5. Step 5: Solve for x
    x = 119,958,446.12/11,113.32
  6. Step 6: Final answer
    x = 10,794.11

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