Home / 12,518.73-17,265.87-8,042.94

Finding the Fourth Proportional to 12,518.73, 17,265.87 and 8,042.94

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Solution

The fourth proportional to 12,518.73, 17,265.87 and 8,042.94 is: 11,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.73 : 17,265.87 = 8,042.94 : x
  2. Step 2: Convert to fraction form
    12,518.73/17,265.87 = 8,042.94/x
  3. Step 3: Cross multiply
    12,518.73x = 17,265.87 × 8,042.94
  4. Step 4: Simplify right side
    12,518.73x = 138,868,356.46
  5. Step 5: Solve for x
    x = 138,868,356.46/12,518.73
  6. Step 6: Final answer
    x = 11,092.85

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1.5x scale

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.