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Finding the Fourth Proportional to 18,246, 25,179.51 and 9,862.50

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Solution

The fourth proportional to 18,246, 25,179.51 and 9,862.50 is: 13,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246 : 25,179.51 = 9,862.50 : x
  2. Step 2: Convert to fraction form
    18,246/25,179.51 = 9,862.50/x
  3. Step 3: Cross multiply
    18,246x = 25,179.51 × 9,862.50
  4. Step 4: Simplify right side
    18,246x = 248,332,917.38
  5. Step 5: Solve for x
    x = 248,332,917.38/18,246
  6. Step 6: Final answer
    x = 13,610.27

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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.