Home / 11,157.25-15,397.01-6,190.21

Finding the Fourth Proportional to 11,157.25, 15,397.01 and 6,190.21

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Solution

The fourth proportional to 11,157.25, 15,397.01 and 6,190.21 is: 8,542.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.25 : 15,397.01 = 6,190.21 : x
  2. Step 2: Convert to fraction form
    11,157.25/15,397.01 = 6,190.21/x
  3. Step 3: Cross multiply
    11,157.25x = 15,397.01 × 6,190.21
  4. Step 4: Simplify right side
    11,157.25x = 95,310,694.32
  5. Step 5: Solve for x
    x = 95,310,694.32/11,157.25
  6. Step 6: Final answer
    x = 8,542.49

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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.