Home / 11,906.18-16,427.27-7,124.19

Finding the Fourth Proportional to 11,906.18, 16,427.27 and 7,124.19

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Solution

The fourth proportional to 11,906.18, 16,427.27 and 7,124.19 is: 9,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.18 : 16,427.27 = 7,124.19 : x
  2. Step 2: Convert to fraction form
    11,906.18/16,427.27 = 7,124.19/x
  3. Step 3: Cross multiply
    11,906.18x = 16,427.27 × 7,124.19
  4. Step 4: Simplify right side
    11,906.18x = 117,030,992.66
  5. Step 5: Solve for x
    x = 117,030,992.66/11,906.18
  6. Step 6: Final answer
    x = 9,829.43

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Double scale
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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.