Home / 19,904.87-29,791.67-11,006.51

Finding the Fourth Proportional to 19,904.87, 29,791.67 and 11,006.51

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Solution

The fourth proportional to 19,904.87, 29,791.67 and 11,006.51 is: 16,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.87 : 29,791.67 = 11,006.51 : x
  2. Step 2: Convert to fraction form
    19,904.87/29,791.67 = 11,006.51/x
  3. Step 3: Cross multiply
    19,904.87x = 29,791.67 × 11,006.51
  4. Step 4: Simplify right side
    19,904.87x = 327,902,109.78
  5. Step 5: Solve for x
    x = 327,902,109.78/19,904.87
  6. Step 6: Final answer
    x = 16,473.47

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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.