Home / 11,913.33-17,897.91-11,240.09

Finding the Fourth Proportional to 11,913.33, 17,897.91 and 11,240.09

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Solution

The fourth proportional to 11,913.33, 17,897.91 and 11,240.09 is: 16,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.33 : 17,897.91 = 11,240.09 : x
  2. Step 2: Convert to fraction form
    11,913.33/17,897.91 = 11,240.09/x
  3. Step 3: Cross multiply
    11,913.33x = 17,897.91 × 11,240.09
  4. Step 4: Simplify right side
    11,913.33x = 201,174,129.40
  5. Step 5: Solve for x
    x = 201,174,129.40/11,913.33
  6. Step 6: Final answer
    x = 16,886.48

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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.