Home / 11,897.26-17,821.67-5,638.30

Finding the Fourth Proportional to 11,897.26, 17,821.67 and 5,638.30

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Solution

The fourth proportional to 11,897.26, 17,821.67 and 5,638.30 is: 8,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.26 : 17,821.67 = 5,638.30 : x
  2. Step 2: Convert to fraction form
    11,897.26/17,821.67 = 5,638.30/x
  3. Step 3: Cross multiply
    11,897.26x = 17,821.67 × 5,638.30
  4. Step 4: Simplify right side
    11,897.26x = 100,483,921.96
  5. Step 5: Solve for x
    x = 100,483,921.96/11,897.26
  6. Step 6: Final answer
    x = 8,445.97

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1.5x scale

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.