Home / 15,410.36-23,105.82-8,489.72

Finding the Fourth Proportional to 15,410.36, 23,105.82 and 8,489.72

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Solution

The fourth proportional to 15,410.36, 23,105.82 and 8,489.72 is: 12,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.36 : 23,105.82 = 8,489.72 : x
  2. Step 2: Convert to fraction form
    15,410.36/23,105.82 = 8,489.72/x
  3. Step 3: Cross multiply
    15,410.36x = 23,105.82 × 8,489.72
  4. Step 4: Simplify right side
    15,410.36x = 196,161,942.17
  5. Step 5: Solve for x
    x = 196,161,942.17/15,410.36
  6. Step 6: Final answer
    x = 12,729.23

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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.