Home / 11,230.82-15,499.87-6,515.26

Finding the Fourth Proportional to 11,230.82, 15,499.87 and 6,515.26

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Solution

The fourth proportional to 11,230.82, 15,499.87 and 6,515.26 is: 8,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.82 : 15,499.87 = 6,515.26 : x
  2. Step 2: Convert to fraction form
    11,230.82/15,499.87 = 6,515.26/x
  3. Step 3: Cross multiply
    11,230.82x = 15,499.87 × 6,515.26
  4. Step 4: Simplify right side
    11,230.82x = 100,985,683.02
  5. Step 5: Solve for x
    x = 100,985,683.02/11,230.82
  6. Step 6: Final answer
    x = 8,991.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.