Home / 11,518.43-15,895.31-6,550.43

Finding the Fourth Proportional to 11,518.43, 15,895.31 and 6,550.43

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Solution

The fourth proportional to 11,518.43, 15,895.31 and 6,550.43 is: 9,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.43 : 15,895.31 = 6,550.43 : x
  2. Step 2: Convert to fraction form
    11,518.43/15,895.31 = 6,550.43/x
  3. Step 3: Cross multiply
    11,518.43x = 15,895.31 × 6,550.43
  4. Step 4: Simplify right side
    11,518.43x = 104,121,003.25
  5. Step 5: Solve for x
    x = 104,121,003.25/11,518.43
  6. Step 6: Final answer
    x = 9,039.52

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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.