Home / 10,436.92-15,654.12-2,645.80

Finding the Fourth Proportional to 10,436.92, 15,654.12 and 2,645.80

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Solution

The fourth proportional to 10,436.92, 15,654.12 and 2,645.80 is: 3,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.92 : 15,654.12 = 2,645.80 : x
  2. Step 2: Convert to fraction form
    10,436.92/15,654.12 = 2,645.80/x
  3. Step 3: Cross multiply
    10,436.92x = 15,654.12 × 2,645.80
  4. Step 4: Simplify right side
    10,436.92x = 41,417,670.70
  5. Step 5: Solve for x
    x = 41,417,670.70/10,436.92
  6. Step 6: Final answer
    x = 3,968.38

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1.5x scale

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.