Home / 18,772.72-25,906.50-10,275.04

Finding the Fourth Proportional to 18,772.72, 25,906.50 and 10,275.04

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Solution

The fourth proportional to 18,772.72, 25,906.50 and 10,275.04 is: 14,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.72 : 25,906.50 = 10,275.04 : x
  2. Step 2: Convert to fraction form
    18,772.72/25,906.50 = 10,275.04/x
  3. Step 3: Cross multiply
    18,772.72x = 25,906.50 × 10,275.04
  4. Step 4: Simplify right side
    18,772.72x = 266,190,323.76
  5. Step 5: Solve for x
    x = 266,190,323.76/18,772.72
  6. Step 6: Final answer
    x = 14,179.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.