Home / 17,866.80-26,801.49-4,719

Finding the Fourth Proportional to 17,866.80, 26,801.49 and 4,719

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Solution

The fourth proportional to 17,866.80, 26,801.49 and 4,719 is: 7,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.80 : 26,801.49 = 4,719 : x
  2. Step 2: Convert to fraction form
    17,866.80/26,801.49 = 4,719/x
  3. Step 3: Cross multiply
    17,866.80x = 26,801.49 × 4,719
  4. Step 4: Simplify right side
    17,866.80x = 126,476,231.31
  5. Step 5: Solve for x
    x = 126,476,231.31/17,866.80
  6. Step 6: Final answer
    x = 7,078.84

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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.