Home / 12,439.56-18,568.33-10,963.38

Finding the Fourth Proportional to 12,439.56, 18,568.33 and 10,963.38

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Solution

The fourth proportional to 12,439.56, 18,568.33 and 10,963.38 is: 16,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.56 : 18,568.33 = 10,963.38 : x
  2. Step 2: Convert to fraction form
    12,439.56/18,568.33 = 10,963.38/x
  3. Step 3: Cross multiply
    12,439.56x = 18,568.33 × 10,963.38
  4. Step 4: Simplify right side
    12,439.56x = 203,571,657.76
  5. Step 5: Solve for x
    x = 203,571,657.76/12,439.56
  6. Step 6: Final answer
    x = 16,364.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.