Home / 14,000.99-21,003.53-5,116.76

Finding the Fourth Proportional to 14,000.99, 21,003.53 and 5,116.76

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Solution

The fourth proportional to 14,000.99, 21,003.53 and 5,116.76 is: 7,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.99 : 21,003.53 = 5,116.76 : x
  2. Step 2: Convert to fraction form
    14,000.99/21,003.53 = 5,116.76/x
  3. Step 3: Cross multiply
    14,000.99x = 21,003.53 × 5,116.76
  4. Step 4: Simplify right side
    14,000.99x = 107,469,891.56
  5. Step 5: Solve for x
    x = 107,469,891.56/14,000.99
  6. Step 6: Final answer
    x = 7,675.88

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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.