Home / 12,166.91-18,237.83-8,826.83

Finding the Fourth Proportional to 12,166.91, 18,237.83 and 8,826.83

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Solution

The fourth proportional to 12,166.91, 18,237.83 and 8,826.83 is: 13,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.91 : 18,237.83 = 8,826.83 : x
  2. Step 2: Convert to fraction form
    12,166.91/18,237.83 = 8,826.83/x
  3. Step 3: Cross multiply
    12,166.91x = 18,237.83 × 8,826.83
  4. Step 4: Simplify right side
    12,166.91x = 160,982,180.84
  5. Step 5: Solve for x
    x = 160,982,180.84/12,166.91
  6. Step 6: Final answer
    x = 13,231.15

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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.