Home / 19,988.33-29,934.70-11,529.19

Finding the Fourth Proportional to 19,988.33, 29,934.70 and 11,529.19

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Solution

The fourth proportional to 19,988.33, 29,934.70 and 11,529.19 is: 17,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.33 : 29,934.70 = 11,529.19 : x
  2. Step 2: Convert to fraction form
    19,988.33/29,934.70 = 11,529.19/x
  3. Step 3: Cross multiply
    19,988.33x = 29,934.70 × 11,529.19
  4. Step 4: Simplify right side
    19,988.33x = 345,122,786.25
  5. Step 5: Solve for x
    x = 345,122,786.25/19,988.33
  6. Step 6: Final answer
    x = 17,266.21

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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.