Home / 17,753.23-26,648.34-13,078.54

Finding the Fourth Proportional to 17,753.23, 26,648.34 and 13,078.54

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Solution

The fourth proportional to 17,753.23, 26,648.34 and 13,078.54 is: 19,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,753.23 : 26,648.34 = 13,078.54 : x
  2. Step 2: Convert to fraction form
    17,753.23/26,648.34 = 13,078.54/x
  3. Step 3: Cross multiply
    17,753.23x = 26,648.34 × 13,078.54
  4. Step 4: Simplify right side
    17,753.23x = 348,521,380.62
  5. Step 5: Solve for x
    x = 348,521,380.62/17,753.23
  6. Step 6: Final answer
    x = 19,631.43

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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.