Home / 10,786.28-14,882.15-6,311.12

Finding the Fourth Proportional to 10,786.28, 14,882.15 and 6,311.12

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Solution

The fourth proportional to 10,786.28, 14,882.15 and 6,311.12 is: 8,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.28 : 14,882.15 = 6,311.12 : x
  2. Step 2: Convert to fraction form
    10,786.28/14,882.15 = 6,311.12/x
  3. Step 3: Cross multiply
    10,786.28x = 14,882.15 × 6,311.12
  4. Step 4: Simplify right side
    10,786.28x = 93,923,002.95
  5. Step 5: Solve for x
    x = 93,923,002.95/10,786.28
  6. Step 6: Final answer
    x = 8,707.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.