Home / 8,899.75-13,320.68-6,558.83

Finding the Fourth Proportional to 8,899.75, 13,320.68 and 6,558.83

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Solution

The fourth proportional to 8,899.75, 13,320.68 and 6,558.83 is: 9,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.75 : 13,320.68 = 6,558.83 : x
  2. Step 2: Convert to fraction form
    8,899.75/13,320.68 = 6,558.83/x
  3. Step 3: Cross multiply
    8,899.75x = 13,320.68 × 6,558.83
  4. Step 4: Simplify right side
    8,899.75x = 87,367,976.21
  5. Step 5: Solve for x
    x = 87,367,976.21/8,899.75
  6. Step 6: Final answer
    x = 9,816.91

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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.