Home / 18,156.88-27,234.61-5,008.89

Finding the Fourth Proportional to 18,156.88, 27,234.61 and 5,008.89

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Solution

The fourth proportional to 18,156.88, 27,234.61 and 5,008.89 is: 7,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.88 : 27,234.61 = 5,008.89 : x
  2. Step 2: Convert to fraction form
    18,156.88/27,234.61 = 5,008.89/x
  3. Step 3: Cross multiply
    18,156.88x = 27,234.61 × 5,008.89
  4. Step 4: Simplify right side
    18,156.88x = 136,415,165.68
  5. Step 5: Solve for x
    x = 136,415,165.68/18,156.88
  6. Step 6: Final answer
    x = 7,513.14

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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.