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Finding the Fourth Proportional to 15,204.20, 22,790.90 and 7,295.09

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Solution

The fourth proportional to 15,204.20, 22,790.90 and 7,295.09 is: 10,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.20 : 22,790.90 = 7,295.09 : x
  2. Step 2: Convert to fraction form
    15,204.20/22,790.90 = 7,295.09/x
  3. Step 3: Cross multiply
    15,204.20x = 22,790.90 × 7,295.09
  4. Step 4: Simplify right side
    15,204.20x = 166,261,516.25
  5. Step 5: Solve for x
    x = 166,261,516.25/15,204.20
  6. Step 6: Final answer
    x = 10,935.24

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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.