Home / 10,619.36-15,929.07-3,223.88

Finding the Fourth Proportional to 10,619.36, 15,929.07 and 3,223.88

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Solution

The fourth proportional to 10,619.36, 15,929.07 and 3,223.88 is: 4,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.36 : 15,929.07 = 3,223.88 : x
  2. Step 2: Convert to fraction form
    10,619.36/15,929.07 = 3,223.88/x
  3. Step 3: Cross multiply
    10,619.36x = 15,929.07 × 3,223.88
  4. Step 4: Simplify right side
    10,619.36x = 51,353,410.19
  5. Step 5: Solve for x
    x = 51,353,410.19/10,619.36
  6. Step 6: Final answer
    x = 4,835.83

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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.