Home / 15,516.89-23,257.10-7,179.29

Finding the Fourth Proportional to 15,516.89, 23,257.10 and 7,179.29

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Solution

The fourth proportional to 15,516.89, 23,257.10 and 7,179.29 is: 10,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.89 : 23,257.10 = 7,179.29 : x
  2. Step 2: Convert to fraction form
    15,516.89/23,257.10 = 7,179.29/x
  3. Step 3: Cross multiply
    15,516.89x = 23,257.10 × 7,179.29
  4. Step 4: Simplify right side
    15,516.89x = 166,969,465.46
  5. Step 5: Solve for x
    x = 166,969,465.46/15,516.89
  6. Step 6: Final answer
    x = 10,760.50

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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.