Home / 11,518.26-15,895.20-6,550.26

Finding the Fourth Proportional to 11,518.26, 15,895.20 and 6,550.26

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Solution

The fourth proportional to 11,518.26, 15,895.20 and 6,550.26 is: 9,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.26 : 15,895.20 = 6,550.26 : x
  2. Step 2: Convert to fraction form
    11,518.26/15,895.20 = 6,550.26/x
  3. Step 3: Cross multiply
    11,518.26x = 15,895.20 × 6,550.26
  4. Step 4: Simplify right side
    11,518.26x = 104,117,692.75
  5. Step 5: Solve for x
    x = 104,117,692.75/11,518.26
  6. Step 6: Final answer
    x = 9,039.36

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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.