Home / 12,346.72-18,519.76-4,027.36

Finding the Fourth Proportional to 12,346.72, 18,519.76 and 4,027.36

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Solution

The fourth proportional to 12,346.72, 18,519.76 and 4,027.36 is: 6,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.72 : 18,519.76 = 4,027.36 : x
  2. Step 2: Convert to fraction form
    12,346.72/18,519.76 = 4,027.36/x
  3. Step 3: Cross multiply
    12,346.72x = 18,519.76 × 4,027.36
  4. Step 4: Simplify right side
    12,346.72x = 74,585,740.63
  5. Step 5: Solve for x
    x = 74,585,740.63/12,346.72
  6. Step 6: Final answer
    x = 6,040.94

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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.