Home / 10,217.52-15,324.66-2,820.60

Finding the Fourth Proportional to 10,217.52, 15,324.66 and 2,820.60

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Solution

The fourth proportional to 10,217.52, 15,324.66 and 2,820.60 is: 4,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.52 : 15,324.66 = 2,820.60 : x
  2. Step 2: Convert to fraction form
    10,217.52/15,324.66 = 2,820.60/x
  3. Step 3: Cross multiply
    10,217.52x = 15,324.66 × 2,820.60
  4. Step 4: Simplify right side
    10,217.52x = 43,224,736.00
  5. Step 5: Solve for x
    x = 43,224,736.00/10,217.52
  6. Step 6: Final answer
    x = 4,230.45

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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.