Home / 10,224.86-15,334.45-2,828.75

Finding the Fourth Proportional to 10,224.86, 15,334.45 and 2,828.75

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Solution

The fourth proportional to 10,224.86, 15,334.45 and 2,828.75 is: 4,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.86 : 15,334.45 = 2,828.75 : x
  2. Step 2: Convert to fraction form
    10,224.86/15,334.45 = 2,828.75/x
  3. Step 3: Cross multiply
    10,224.86x = 15,334.45 × 2,828.75
  4. Step 4: Simplify right side
    10,224.86x = 43,377,241.69
  5. Step 5: Solve for x
    x = 43,377,241.69/10,224.86
  6. Step 6: Final answer
    x = 4,242.33

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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.