Home / 10,436.60-15,654.96-2,645.41

Finding the Fourth Proportional to 10,436.60, 15,654.96 and 2,645.41

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Solution

The fourth proportional to 10,436.60, 15,654.96 and 2,645.41 is: 3,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.60 : 15,654.96 = 2,645.41 : x
  2. Step 2: Convert to fraction form
    10,436.60/15,654.96 = 2,645.41/x
  3. Step 3: Cross multiply
    10,436.60x = 15,654.96 × 2,645.41
  4. Step 4: Simplify right side
    10,436.60x = 41,413,787.73
  5. Step 5: Solve for x
    x = 41,413,787.73/10,436.60
  6. Step 6: Final answer
    x = 3,968.13

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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.