Home / 11,150.82-15,388.42-6,305.16

Finding the Fourth Proportional to 11,150.82, 15,388.42 and 6,305.16

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Solution

The fourth proportional to 11,150.82, 15,388.42 and 6,305.16 is: 8,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.82 : 15,388.42 = 6,305.16 : x
  2. Step 2: Convert to fraction form
    11,150.82/15,388.42 = 6,305.16/x
  3. Step 3: Cross multiply
    11,150.82x = 15,388.42 × 6,305.16
  4. Step 4: Simplify right side
    11,150.82x = 97,026,450.25
  5. Step 5: Solve for x
    x = 97,026,450.25/11,150.82
  6. Step 6: Final answer
    x = 8,701.28

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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.