Home / 18,497.13-25,518.84-11,781.54

Finding the Fourth Proportional to 18,497.13, 25,518.84 and 11,781.54

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Solution

The fourth proportional to 18,497.13, 25,518.84 and 11,781.54 is: 16,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.13 : 25,518.84 = 11,781.54 : x
  2. Step 2: Convert to fraction form
    18,497.13/25,518.84 = 11,781.54/x
  3. Step 3: Cross multiply
    18,497.13x = 25,518.84 × 11,781.54
  4. Step 4: Simplify right side
    18,497.13x = 300,651,234.21
  5. Step 5: Solve for x
    x = 300,651,234.21/18,497.13
  6. Step 6: Final answer
    x = 16,253.94

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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.