Home / 19,790.78-29,676.93-11,473.17

Finding the Fourth Proportional to 19,790.78, 29,676.93 and 11,473.17

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Solution

The fourth proportional to 19,790.78, 29,676.93 and 11,473.17 is: 17,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.78 : 29,676.93 = 11,473.17 : x
  2. Step 2: Convert to fraction form
    19,790.78/29,676.93 = 11,473.17/x
  3. Step 3: Cross multiply
    19,790.78x = 29,676.93 × 11,473.17
  4. Step 4: Simplify right side
    19,790.78x = 340,488,462.97
  5. Step 5: Solve for x
    x = 340,488,462.97/19,790.78
  6. Step 6: Final answer
    x = 17,204.40

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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.