Home / 18,091.28-27,151.62-9,328.70

Finding the Fourth Proportional to 18,091.28, 27,151.62 and 9,328.70

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Solution

The fourth proportional to 18,091.28, 27,151.62 and 9,328.70 is: 14,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.28 : 27,151.62 = 9,328.70 : x
  2. Step 2: Convert to fraction form
    18,091.28/27,151.62 = 9,328.70/x
  3. Step 3: Cross multiply
    18,091.28x = 27,151.62 × 9,328.70
  4. Step 4: Simplify right side
    18,091.28x = 253,289,317.49
  5. Step 5: Solve for x
    x = 253,289,317.49/18,091.28
  6. Step 6: Final answer
    x = 14,000.63

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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.