Home / 10,156.05-15,236.37-3,230.55

Finding the Fourth Proportional to 10,156.05, 15,236.37 and 3,230.55

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Solution

The fourth proportional to 10,156.05, 15,236.37 and 3,230.55 is: 4,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.05 : 15,236.37 = 3,230.55 : x
  2. Step 2: Convert to fraction form
    10,156.05/15,236.37 = 3,230.55/x
  3. Step 3: Cross multiply
    10,156.05x = 15,236.37 × 3,230.55
  4. Step 4: Simplify right side
    10,156.05x = 49,221,855.10
  5. Step 5: Solve for x
    x = 49,221,855.10/10,156.05
  6. Step 6: Final answer
    x = 4,846.56

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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.