Home / 19,091.80-28,626.19-8,559.92

Finding the Fourth Proportional to 19,091.80, 28,626.19 and 8,559.92

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Solution

The fourth proportional to 19,091.80, 28,626.19 and 8,559.92 is: 12,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.80 : 28,626.19 = 8,559.92 : x
  2. Step 2: Convert to fraction form
    19,091.80/28,626.19 = 8,559.92/x
  3. Step 3: Cross multiply
    19,091.80x = 28,626.19 × 8,559.92
  4. Step 4: Simplify right side
    19,091.80x = 245,037,731.77
  5. Step 5: Solve for x
    x = 245,037,731.77/19,091.80
  6. Step 6: Final answer
    x = 12,834.71

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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.