Home / 18,008.82-27,013.24-4,861.18

Finding the Fourth Proportional to 18,008.82, 27,013.24 and 4,861.18

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Solution

The fourth proportional to 18,008.82, 27,013.24 and 4,861.18 is: 7,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.82 : 27,013.24 = 4,861.18 : x
  2. Step 2: Convert to fraction form
    18,008.82/27,013.24 = 4,861.18/x
  3. Step 3: Cross multiply
    18,008.82x = 27,013.24 × 4,861.18
  4. Step 4: Simplify right side
    18,008.82x = 131,316,222.02
  5. Step 5: Solve for x
    x = 131,316,222.02/18,008.82
  6. Step 6: Final answer
    x = 7,291.77

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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.