Home / 10,181.32-15,277.11-3,945.64

Finding the Fourth Proportional to 10,181.32, 15,277.11 and 3,945.64

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Solution

The fourth proportional to 10,181.32, 15,277.11 and 3,945.64 is: 5,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.32 : 15,277.11 = 3,945.64 : x
  2. Step 2: Convert to fraction form
    10,181.32/15,277.11 = 3,945.64/x
  3. Step 3: Cross multiply
    10,181.32x = 15,277.11 × 3,945.64
  4. Step 4: Simplify right side
    10,181.32x = 60,277,908.99
  5. Step 5: Solve for x
    x = 60,277,908.99/10,181.32
  6. Step 6: Final answer
    x = 5,920.44

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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.