Home / 8,021.03-12,038.83-7,991.26

Finding the Fourth Proportional to 8,021.03, 12,038.83 and 7,991.26

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Solution

The fourth proportional to 8,021.03, 12,038.83 and 7,991.26 is: 11,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.03 : 12,038.83 = 7,991.26 : x
  2. Step 2: Convert to fraction form
    8,021.03/12,038.83 = 7,991.26/x
  3. Step 3: Cross multiply
    8,021.03x = 12,038.83 × 7,991.26
  4. Step 4: Simplify right side
    8,021.03x = 96,205,370.55
  5. Step 5: Solve for x
    x = 96,205,370.55/8,021.03
  6. Step 6: Final answer
    x = 11,994.15

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Double scale
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Similar ratio
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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.