Home / 12,505.11-18,760.91-4,713.99

Finding the Fourth Proportional to 12,505.11, 18,760.91 and 4,713.99

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Solution

The fourth proportional to 12,505.11, 18,760.91 and 4,713.99 is: 7,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.11 : 18,760.91 = 4,713.99 : x
  2. Step 2: Convert to fraction form
    12,505.11/18,760.91 = 4,713.99/x
  3. Step 3: Cross multiply
    12,505.11x = 18,760.91 × 4,713.99
  4. Step 4: Simplify right side
    12,505.11x = 88,438,718.56
  5. Step 5: Solve for x
    x = 88,438,718.56/12,505.11
  6. Step 6: Final answer
    x = 7,072.21

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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.