Home / 12,006.18-18,040.66-11,258.96

Finding the Fourth Proportional to 12,006.18, 18,040.66 and 11,258.96

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Solution

The fourth proportional to 12,006.18, 18,040.66 and 11,258.96 is: 16,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.18 : 18,040.66 = 11,258.96 : x
  2. Step 2: Convert to fraction form
    12,006.18/18,040.66 = 11,258.96/x
  3. Step 3: Cross multiply
    12,006.18x = 18,040.66 × 11,258.96
  4. Step 4: Simplify right side
    12,006.18x = 203,118,950.96
  5. Step 5: Solve for x
    x = 203,118,950.96/12,006.18
  6. Step 6: Final answer
    x = 16,917.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.