Home / 10,442.20-15,665.70-3,046.48

Finding the Fourth Proportional to 10,442.20, 15,665.70 and 3,046.48

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Solution

The fourth proportional to 10,442.20, 15,665.70 and 3,046.48 is: 4,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.20 : 15,665.70 = 3,046.48 : x
  2. Step 2: Convert to fraction form
    10,442.20/15,665.70 = 3,046.48/x
  3. Step 3: Cross multiply
    10,442.20x = 15,665.70 × 3,046.48
  4. Step 4: Simplify right side
    10,442.20x = 47,725,241.74
  5. Step 5: Solve for x
    x = 47,725,241.74/10,442.20
  6. Step 6: Final answer
    x = 4,570.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.