Home / 19,011.22-28,500.83-8,620.18

Finding the Fourth Proportional to 19,011.22, 28,500.83 and 8,620.18

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Solution

The fourth proportional to 19,011.22, 28,500.83 and 8,620.18 is: 12,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.22 : 28,500.83 = 8,620.18 : x
  2. Step 2: Convert to fraction form
    19,011.22/28,500.83 = 8,620.18/x
  3. Step 3: Cross multiply
    19,011.22x = 28,500.83 × 8,620.18
  4. Step 4: Simplify right side
    19,011.22x = 245,682,284.75
  5. Step 5: Solve for x
    x = 245,682,284.75/19,011.22
  6. Step 6: Final answer
    x = 12,923.02

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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.