Home / 12,239.56-18,360.42-4,446.28

Finding the Fourth Proportional to 12,239.56, 18,360.42 and 4,446.28

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Solution

The fourth proportional to 12,239.56, 18,360.42 and 4,446.28 is: 6,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.56 : 18,360.42 = 4,446.28 : x
  2. Step 2: Convert to fraction form
    12,239.56/18,360.42 = 4,446.28/x
  3. Step 3: Cross multiply
    12,239.56x = 18,360.42 × 4,446.28
  4. Step 4: Simplify right side
    12,239.56x = 81,635,568.24
  5. Step 5: Solve for x
    x = 81,635,568.24/12,239.56
  6. Step 6: Final answer
    x = 6,669.81

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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.