Home / 10,619.65-15,929.06-3,223.81

Finding the Fourth Proportional to 10,619.65, 15,929.06 and 3,223.81

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Solution

The fourth proportional to 10,619.65, 15,929.06 and 3,223.81 is: 4,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.65 : 15,929.06 = 3,223.81 : x
  2. Step 2: Convert to fraction form
    10,619.65/15,929.06 = 3,223.81/x
  3. Step 3: Cross multiply
    10,619.65x = 15,929.06 × 3,223.81
  4. Step 4: Simplify right side
    10,619.65x = 51,352,231.16
  5. Step 5: Solve for x
    x = 51,352,231.16/10,619.65
  6. Step 6: Final answer
    x = 4,835.59

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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.