Home / 12,125.43-18,184.91-3,360.83

Finding the Fourth Proportional to 12,125.43, 18,184.91 and 3,360.83

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Solution

The fourth proportional to 12,125.43, 18,184.91 and 3,360.83 is: 5,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.43 : 18,184.91 = 3,360.83 : x
  2. Step 2: Convert to fraction form
    12,125.43/18,184.91 = 3,360.83/x
  3. Step 3: Cross multiply
    12,125.43x = 18,184.91 × 3,360.83
  4. Step 4: Simplify right side
    12,125.43x = 61,116,283.35
  5. Step 5: Solve for x
    x = 61,116,283.35/12,125.43
  6. Step 6: Final answer
    x = 5,040.34

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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.