Home / 15,516.96-23,257.21-7,179.36

Finding the Fourth Proportional to 15,516.96, 23,257.21 and 7,179.36

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Solution

The fourth proportional to 15,516.96, 23,257.21 and 7,179.36 is: 10,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.96 : 23,257.21 = 7,179.36 : x
  2. Step 2: Convert to fraction form
    15,516.96/23,257.21 = 7,179.36/x
  3. Step 3: Cross multiply
    15,516.96x = 23,257.21 × 7,179.36
  4. Step 4: Simplify right side
    15,516.96x = 166,971,922.31
  5. Step 5: Solve for x
    x = 166,971,922.31/15,516.96
  6. Step 6: Final answer
    x = 10,760.61

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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.