Home / 8,563.38-12,815.91-6,624.24

Finding the Fourth Proportional to 8,563.38, 12,815.91 and 6,624.24

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Solution

The fourth proportional to 8,563.38, 12,815.91 and 6,624.24 is: 9,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.38 : 12,815.91 = 6,624.24 : x
  2. Step 2: Convert to fraction form
    8,563.38/12,815.91 = 6,624.24/x
  3. Step 3: Cross multiply
    8,563.38x = 12,815.91 × 6,624.24
  4. Step 4: Simplify right side
    8,563.38x = 84,895,663.66
  5. Step 5: Solve for x
    x = 84,895,663.66/8,563.38
  6. Step 6: Final answer
    x = 9,913.80

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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.