Home / 19,863.42-29,807.69-11,104.08

Finding the Fourth Proportional to 19,863.42, 29,807.69 and 11,104.08

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Solution

The fourth proportional to 19,863.42, 29,807.69 and 11,104.08 is: 16,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.42 : 29,807.69 = 11,104.08 : x
  2. Step 2: Convert to fraction form
    19,863.42/29,807.69 = 11,104.08/x
  3. Step 3: Cross multiply
    19,863.42x = 29,807.69 × 11,104.08
  4. Step 4: Simplify right side
    19,863.42x = 330,986,918.85
  5. Step 5: Solve for x
    x = 330,986,918.85/19,863.42
  6. Step 6: Final answer
    x = 16,663.14

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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.