Home / 10,191.76-15,282.97-3,169.67

Finding the Fourth Proportional to 10,191.76, 15,282.97 and 3,169.67

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Solution

The fourth proportional to 10,191.76, 15,282.97 and 3,169.67 is: 4,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.76 : 15,282.97 = 3,169.67 : x
  2. Step 2: Convert to fraction form
    10,191.76/15,282.97 = 3,169.67/x
  3. Step 3: Cross multiply
    10,191.76x = 15,282.97 × 3,169.67
  4. Step 4: Simplify right side
    10,191.76x = 48,441,887.18
  5. Step 5: Solve for x
    x = 48,441,887.18/10,191.76
  6. Step 6: Final answer
    x = 4,753.05

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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.