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Finding the Fourth Proportional to 8,807.00, 13,226.90 and 8,454.65

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Solution

The fourth proportional to 8,807.00, 13,226.90 and 8,454.65 is: 12,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.00 : 13,226.90 = 8,454.65 : x
  2. Step 2: Convert to fraction form
    8,807.00/13,226.90 = 8,454.65/x
  3. Step 3: Cross multiply
    8,807.00x = 13,226.90 × 8,454.65
  4. Step 4: Simplify right side
    8,807.00x = 111,828,701.68
  5. Step 5: Solve for x
    x = 111,828,701.68/8,807.00
  6. Step 6: Final answer
    x = 12,697.71

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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.