Home / 10,181.66-15,274.89-3,161.32

Finding the Fourth Proportional to 10,181.66, 15,274.89 and 3,161.32

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Solution

The fourth proportional to 10,181.66, 15,274.89 and 3,161.32 is: 4,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.66 : 15,274.89 = 3,161.32 : x
  2. Step 2: Convert to fraction form
    10,181.66/15,274.89 = 3,161.32/x
  3. Step 3: Cross multiply
    10,181.66x = 15,274.89 × 3,161.32
  4. Step 4: Simplify right side
    10,181.66x = 48,288,815.25
  5. Step 5: Solve for x
    x = 48,288,815.25/10,181.66
  6. Step 6: Final answer
    x = 4,742.73

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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.