Home / 11,923.80-17,866.28-6,072.36

Finding the Fourth Proportional to 11,923.80, 17,866.28 and 6,072.36

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Solution

The fourth proportional to 11,923.80, 17,866.28 and 6,072.36 is: 9,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.80 : 17,866.28 = 6,072.36 : x
  2. Step 2: Convert to fraction form
    11,923.80/17,866.28 = 6,072.36/x
  3. Step 3: Cross multiply
    11,923.80x = 17,866.28 × 6,072.36
  4. Step 4: Simplify right side
    11,923.80x = 108,490,484.02
  5. Step 5: Solve for x
    x = 108,490,484.02/11,923.80
  6. Step 6: Final answer
    x = 9,098.65

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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.