Home / 11,145.19-16,717.91-2,824.99

Finding the Fourth Proportional to 11,145.19, 16,717.91 and 2,824.99

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Solution

The fourth proportional to 11,145.19, 16,717.91 and 2,824.99 is: 4,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.19 : 16,717.91 = 2,824.99 : x
  2. Step 2: Convert to fraction form
    11,145.19/16,717.91 = 2,824.99/x
  3. Step 3: Cross multiply
    11,145.19x = 16,717.91 × 2,824.99
  4. Step 4: Simplify right side
    11,145.19x = 47,227,900.13
  5. Step 5: Solve for x
    x = 47,227,900.13/11,145.19
  6. Step 6: Final answer
    x = 4,237.52

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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.