Home / 14,487.96-19,993.58-8,519.64

Finding the Fourth Proportional to 14,487.96, 19,993.58 and 8,519.64

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Solution

The fourth proportional to 14,487.96, 19,993.58 and 8,519.64 is: 11,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.96 : 19,993.58 = 8,519.64 : x
  2. Step 2: Convert to fraction form
    14,487.96/19,993.58 = 8,519.64/x
  3. Step 3: Cross multiply
    14,487.96x = 19,993.58 × 8,519.64
  4. Step 4: Simplify right side
    14,487.96x = 170,338,103.91
  5. Step 5: Solve for x
    x = 170,338,103.91/14,487.96
  6. Step 6: Final answer
    x = 11,757.22

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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.