Home / 14,815.08-20,449.70-8,529

Finding the Fourth Proportional to 14,815.08, 20,449.70 and 8,529

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Solution

The fourth proportional to 14,815.08, 20,449.70 and 8,529 is: 11,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.08 : 20,449.70 = 8,529 : x
  2. Step 2: Convert to fraction form
    14,815.08/20,449.70 = 8,529/x
  3. Step 3: Cross multiply
    14,815.08x = 20,449.70 × 8,529
  4. Step 4: Simplify right side
    14,815.08x = 174,415,491.30
  5. Step 5: Solve for x
    x = 174,415,491.30/14,815.08
  6. Step 6: Final answer
    x = 11,772.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.