Home / 11,913.24-17,861.44-5,246.56

Finding the Fourth Proportional to 11,913.24, 17,861.44 and 5,246.56

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Solution

The fourth proportional to 11,913.24, 17,861.44 and 5,246.56 is: 7,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.24 : 17,861.44 = 5,246.56 : x
  2. Step 2: Convert to fraction form
    11,913.24/17,861.44 = 5,246.56/x
  3. Step 3: Cross multiply
    11,913.24x = 17,861.44 × 5,246.56
  4. Step 4: Simplify right side
    11,913.24x = 93,711,116.65
  5. Step 5: Solve for x
    x = 93,711,116.65/11,913.24
  6. Step 6: Final answer
    x = 7,866.13

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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.