Home / 10,212.44-15,317.26-2,815.83

Finding the Fourth Proportional to 10,212.44, 15,317.26 and 2,815.83

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Solution

The fourth proportional to 10,212.44, 15,317.26 and 2,815.83 is: 4,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.44 : 15,317.26 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    10,212.44/15,317.26 = 2,815.83/x
  3. Step 3: Cross multiply
    10,212.44x = 15,317.26 × 2,815.83
  4. Step 4: Simplify right side
    10,212.44x = 43,130,793.19
  5. Step 5: Solve for x
    x = 43,130,793.19/10,212.44
  6. Step 6: Final answer
    x = 4,223.36

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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.