Home / 12,346.19-18,521.11-3,579.97

Finding the Fourth Proportional to 12,346.19, 18,521.11 and 3,579.97

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Solution

The fourth proportional to 12,346.19, 18,521.11 and 3,579.97 is: 5,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.19 : 18,521.11 = 3,579.97 : x
  2. Step 2: Convert to fraction form
    12,346.19/18,521.11 = 3,579.97/x
  3. Step 3: Cross multiply
    12,346.19x = 18,521.11 × 3,579.97
  4. Step 4: Simplify right side
    12,346.19x = 66,305,018.17
  5. Step 5: Solve for x
    x = 66,305,018.17/12,346.19
  6. Step 6: Final answer
    x = 5,370.48

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1.5x scale

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.