Home / 12,151.47-18,229.64-3,832.77

Finding the Fourth Proportional to 12,151.47, 18,229.64 and 3,832.77

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Solution

The fourth proportional to 12,151.47, 18,229.64 and 3,832.77 is: 5,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.47 : 18,229.64 = 3,832.77 : x
  2. Step 2: Convert to fraction form
    12,151.47/18,229.64 = 3,832.77/x
  3. Step 3: Cross multiply
    12,151.47x = 18,229.64 × 3,832.77
  4. Step 4: Simplify right side
    12,151.47x = 69,869,998.14
  5. Step 5: Solve for x
    x = 69,869,998.14/12,151.47
  6. Step 6: Final answer
    x = 5,749.92

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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.