Home / 11,101.49-15,321.66-6,625.43

Finding the Fourth Proportional to 11,101.49, 15,321.66 and 6,625.43

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Solution

The fourth proportional to 11,101.49, 15,321.66 and 6,625.43 is: 9,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.49 : 15,321.66 = 6,625.43 : x
  2. Step 2: Convert to fraction form
    11,101.49/15,321.66 = 6,625.43/x
  3. Step 3: Cross multiply
    11,101.49x = 15,321.66 × 6,625.43
  4. Step 4: Simplify right side
    11,101.49x = 101,512,585.81
  5. Step 5: Solve for x
    x = 101,512,585.81/11,101.49
  6. Step 6: Final answer
    x = 9,144.05

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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.