Home / 11,211.12-16,806.92-4,633.20

Finding the Fourth Proportional to 11,211.12, 16,806.92 and 4,633.20

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Solution

The fourth proportional to 11,211.12, 16,806.92 and 4,633.20 is: 6,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.12 : 16,806.92 = 4,633.20 : x
  2. Step 2: Convert to fraction form
    11,211.12/16,806.92 = 4,633.20/x
  3. Step 3: Cross multiply
    11,211.12x = 16,806.92 × 4,633.20
  4. Step 4: Simplify right side
    11,211.12x = 77,869,821.74
  5. Step 5: Solve for x
    x = 77,869,821.74/11,211.12
  6. Step 6: Final answer
    x = 6,945.77

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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.