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Finding the Fourth Proportional to 16,686.48, 25,033.04 and 7,452.48

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Solution

The fourth proportional to 16,686.48, 25,033.04 and 7,452.48 is: 11,180.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.48 : 25,033.04 = 7,452.48 : x
  2. Step 2: Convert to fraction form
    16,686.48/25,033.04 = 7,452.48/x
  3. Step 3: Cross multiply
    16,686.48x = 25,033.04 × 7,452.48
  4. Step 4: Simplify right side
    16,686.48x = 186,558,229.94
  5. Step 5: Solve for x
    x = 186,558,229.94/16,686.48
  6. Step 6: Final answer
    x = 11,180.20

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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.