Home / 11,913.23-17,870.83-4,517.67

Finding the Fourth Proportional to 11,913.23, 17,870.83 and 4,517.67

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Solution

The fourth proportional to 11,913.23, 17,870.83 and 4,517.67 is: 6,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.23 : 17,870.83 = 4,517.67 : x
  2. Step 2: Convert to fraction form
    11,913.23/17,870.83 = 4,517.67/x
  3. Step 3: Cross multiply
    11,913.23x = 17,870.83 × 4,517.67
  4. Step 4: Simplify right side
    11,913.23x = 80,734,568.29
  5. Step 5: Solve for x
    x = 80,734,568.29/11,913.23
  6. Step 6: Final answer
    x = 6,776.88

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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.