Home / 11,327.82-15,632.19-6,291.84

Finding the Fourth Proportional to 11,327.82, 15,632.19 and 6,291.84

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Solution

The fourth proportional to 11,327.82, 15,632.19 and 6,291.84 is: 8,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.82 : 15,632.19 = 6,291.84 : x
  2. Step 2: Convert to fraction form
    11,327.82/15,632.19 = 6,291.84/x
  3. Step 3: Cross multiply
    11,327.82x = 15,632.19 × 6,291.84
  4. Step 4: Simplify right side
    11,327.82x = 98,355,238.33
  5. Step 5: Solve for x
    x = 98,355,238.33/11,327.82
  6. Step 6: Final answer
    x = 8,682.63

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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.