Home / 15,399.41-23,099.09-3,712.64

Finding the Fourth Proportional to 15,399.41, 23,099.09 and 3,712.64

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Solution

The fourth proportional to 15,399.41, 23,099.09 and 3,712.64 is: 5,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.41 : 23,099.09 = 3,712.64 : x
  2. Step 2: Convert to fraction form
    15,399.41/23,099.09 = 3,712.64/x
  3. Step 3: Cross multiply
    15,399.41x = 23,099.09 × 3,712.64
  4. Step 4: Simplify right side
    15,399.41x = 85,758,471.44
  5. Step 5: Solve for x
    x = 85,758,471.44/15,399.41
  6. Step 6: Final answer
    x = 5,568.95

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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.