Home / 11,247.05-16,864.81-6,315.37

Finding the Fourth Proportional to 11,247.05, 16,864.81 and 6,315.37

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Solution

The fourth proportional to 11,247.05, 16,864.81 and 6,315.37 is: 9,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.05 : 16,864.81 = 6,315.37 : x
  2. Step 2: Convert to fraction form
    11,247.05/16,864.81 = 6,315.37/x
  3. Step 3: Cross multiply
    11,247.05x = 16,864.81 × 6,315.37
  4. Step 4: Simplify right side
    11,247.05x = 106,507,457.18
  5. Step 5: Solve for x
    x = 106,507,457.18/11,247.05
  6. Step 6: Final answer
    x = 9,469.81

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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.