Home / 12,691.09-19,035.26-3,332.05

Finding the Fourth Proportional to 12,691.09, 19,035.26 and 3,332.05

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Solution

The fourth proportional to 12,691.09, 19,035.26 and 3,332.05 is: 4,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.09 : 19,035.26 = 3,332.05 : x
  2. Step 2: Convert to fraction form
    12,691.09/19,035.26 = 3,332.05/x
  3. Step 3: Cross multiply
    12,691.09x = 19,035.26 × 3,332.05
  4. Step 4: Simplify right side
    12,691.09x = 63,426,390.49
  5. Step 5: Solve for x
    x = 63,426,390.49/12,691.09
  6. Step 6: Final answer
    x = 4,997.71

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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.