Home / 12,902.09-19,356.17-4,581.77

Finding the Fourth Proportional to 12,902.09, 19,356.17 and 4,581.77

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Solution

The fourth proportional to 12,902.09, 19,356.17 and 4,581.77 is: 6,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.09 : 19,356.17 = 4,581.77 : x
  2. Step 2: Convert to fraction form
    12,902.09/19,356.17 = 4,581.77/x
  3. Step 3: Cross multiply
    12,902.09x = 19,356.17 × 4,581.77
  4. Step 4: Simplify right side
    12,902.09x = 88,685,399.33
  5. Step 5: Solve for x
    x = 88,685,399.33/12,902.09
  6. Step 6: Final answer
    x = 6,873.73

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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.