Home / 11,150.93-15,388.44-6,115.07

Finding the Fourth Proportional to 11,150.93, 15,388.44 and 6,115.07

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Solution

The fourth proportional to 11,150.93, 15,388.44 and 6,115.07 is: 8,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.93 : 15,388.44 = 6,115.07 : x
  2. Step 2: Convert to fraction form
    11,150.93/15,388.44 = 6,115.07/x
  3. Step 3: Cross multiply
    11,150.93x = 15,388.44 × 6,115.07
  4. Step 4: Simplify right side
    11,150.93x = 94,101,387.79
  5. Step 5: Solve for x
    x = 94,101,387.79/11,150.93
  6. Step 6: Final answer
    x = 8,438.88

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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.