Home / 11,383.88-15,707.95-6,906.81

Finding the Fourth Proportional to 11,383.88, 15,707.95 and 6,906.81

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Solution

The fourth proportional to 11,383.88, 15,707.95 and 6,906.81 is: 9,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.88 : 15,707.95 = 6,906.81 : x
  2. Step 2: Convert to fraction form
    11,383.88/15,707.95 = 6,906.81/x
  3. Step 3: Cross multiply
    11,383.88x = 15,707.95 × 6,906.81
  4. Step 4: Simplify right side
    11,383.88x = 108,491,808.87
  5. Step 5: Solve for x
    x = 108,491,808.87/11,383.88
  6. Step 6: Final answer
    x = 9,530.30

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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.