Home / 10,214.61-15,321.60-2,819.52

Finding the Fourth Proportional to 10,214.61, 15,321.60 and 2,819.52

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Solution

The fourth proportional to 10,214.61, 15,321.60 and 2,819.52 is: 4,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.61 : 15,321.60 = 2,819.52 : x
  2. Step 2: Convert to fraction form
    10,214.61/15,321.60 = 2,819.52/x
  3. Step 3: Cross multiply
    10,214.61x = 15,321.60 × 2,819.52
  4. Step 4: Simplify right side
    10,214.61x = 43,199,557.63
  5. Step 5: Solve for x
    x = 43,199,557.63/10,214.61
  6. Step 6: Final answer
    x = 4,229.19

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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.