Home / 11,712.16-16,163.26-6,677.16

Finding the Fourth Proportional to 11,712.16, 16,163.26 and 6,677.16

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Solution

The fourth proportional to 11,712.16, 16,163.26 and 6,677.16 is: 9,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.16 : 16,163.26 = 6,677.16 : x
  2. Step 2: Convert to fraction form
    11,712.16/16,163.26 = 6,677.16/x
  3. Step 3: Cross multiply
    11,712.16x = 16,163.26 × 6,677.16
  4. Step 4: Simplify right side
    11,712.16x = 107,924,673.14
  5. Step 5: Solve for x
    x = 107,924,673.14/11,712.16
  6. Step 6: Final answer
    x = 9,214.75

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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.