Home / 19,902.87-29,788.66-11,004.51

Finding the Fourth Proportional to 19,902.87, 29,788.66 and 11,004.51

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Solution

The fourth proportional to 19,902.87, 29,788.66 and 11,004.51 is: 16,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.87 : 29,788.66 = 11,004.51 : x
  2. Step 2: Convert to fraction form
    19,902.87/29,788.66 = 11,004.51/x
  3. Step 3: Cross multiply
    19,902.87x = 29,788.66 × 11,004.51
  4. Step 4: Simplify right side
    19,902.87x = 327,809,606.86
  5. Step 5: Solve for x
    x = 327,809,606.86/19,902.87
  6. Step 6: Final answer
    x = 16,470.47

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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.