Home / 12,222.46-18,358.24-11,877.94

Finding the Fourth Proportional to 12,222.46, 18,358.24 and 11,877.94

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Solution

The fourth proportional to 12,222.46, 18,358.24 and 11,877.94 is: 17,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.46 : 18,358.24 = 11,877.94 : x
  2. Step 2: Convert to fraction form
    12,222.46/18,358.24 = 11,877.94/x
  3. Step 3: Cross multiply
    12,222.46x = 18,358.24 × 11,877.94
  4. Step 4: Simplify right side
    12,222.46x = 218,058,073.23
  5. Step 5: Solve for x
    x = 218,058,073.23/12,222.46
  6. Step 6: Final answer
    x = 17,840.77

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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.