Home / 10,078.41-15,115.32-3,836.19

Finding the Fourth Proportional to 10,078.41, 15,115.32 and 3,836.19

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Solution

The fourth proportional to 10,078.41, 15,115.32 and 3,836.19 is: 5,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.41 : 15,115.32 = 3,836.19 : x
  2. Step 2: Convert to fraction form
    10,078.41/15,115.32 = 3,836.19/x
  3. Step 3: Cross multiply
    10,078.41x = 15,115.32 × 3,836.19
  4. Step 4: Simplify right side
    10,078.41x = 57,985,239.43
  5. Step 5: Solve for x
    x = 57,985,239.43/10,078.41
  6. Step 6: Final answer
    x = 5,753.41

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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.