Home / 10,436.38-15,654.58-3,515.74

Finding the Fourth Proportional to 10,436.38, 15,654.58 and 3,515.74

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Solution

The fourth proportional to 10,436.38, 15,654.58 and 3,515.74 is: 5,273.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.38 : 15,654.58 = 3,515.74 : x
  2. Step 2: Convert to fraction form
    10,436.38/15,654.58 = 3,515.74/x
  3. Step 3: Cross multiply
    10,436.38x = 15,654.58 × 3,515.74
  4. Step 4: Simplify right side
    10,436.38x = 55,037,433.09
  5. Step 5: Solve for x
    x = 55,037,433.09/10,436.38
  6. Step 6: Final answer
    x = 5,273.61

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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.