Home / 11,406.41-17,139.99-6,145.46

Finding the Fourth Proportional to 11,406.41, 17,139.99 and 6,145.46

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Solution

The fourth proportional to 11,406.41, 17,139.99 and 6,145.46 is: 9,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.41 : 17,139.99 = 6,145.46 : x
  2. Step 2: Convert to fraction form
    11,406.41/17,139.99 = 6,145.46/x
  3. Step 3: Cross multiply
    11,406.41x = 17,139.99 × 6,145.46
  4. Step 4: Simplify right side
    11,406.41x = 105,333,122.95
  5. Step 5: Solve for x
    x = 105,333,122.95/11,406.41
  6. Step 6: Final answer
    x = 9,234.56

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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.