Home / 10,661.22-15,990.96-3,265.74

Finding the Fourth Proportional to 10,661.22, 15,990.96 and 3,265.74

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Solution

The fourth proportional to 10,661.22, 15,990.96 and 3,265.74 is: 4,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.22 : 15,990.96 = 3,265.74 : x
  2. Step 2: Convert to fraction form
    10,661.22/15,990.96 = 3,265.74/x
  3. Step 3: Cross multiply
    10,661.22x = 15,990.96 × 3,265.74
  4. Step 4: Simplify right side
    10,661.22x = 52,222,317.71
  5. Step 5: Solve for x
    x = 52,222,317.71/10,661.22
  6. Step 6: Final answer
    x = 4,898.34

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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.