Home / 14,839.99-20,479.19-8,125.62

Finding the Fourth Proportional to 14,839.99, 20,479.19 and 8,125.62

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Solution

The fourth proportional to 14,839.99, 20,479.19 and 8,125.62 is: 11,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.99 : 20,479.19 = 8,125.62 : x
  2. Step 2: Convert to fraction form
    14,839.99/20,479.19 = 8,125.62/x
  3. Step 3: Cross multiply
    14,839.99x = 20,479.19 × 8,125.62
  4. Step 4: Simplify right side
    14,839.99x = 166,406,115.85
  5. Step 5: Solve for x
    x = 166,406,115.85/14,839.99
  6. Step 6: Final answer
    x = 11,213.36

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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.