Home / 18,240.20-27,349.34-8,861.74

Finding the Fourth Proportional to 18,240.20, 27,349.34 and 8,861.74

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Solution

The fourth proportional to 18,240.20, 27,349.34 and 8,861.74 is: 13,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.20 : 27,349.34 = 8,861.74 : x
  2. Step 2: Convert to fraction form
    18,240.20/27,349.34 = 8,861.74/x
  3. Step 3: Cross multiply
    18,240.20x = 27,349.34 × 8,861.74
  4. Step 4: Simplify right side
    18,240.20x = 242,362,740.25
  5. Step 5: Solve for x
    x = 242,362,740.25/18,240.20
  6. Step 6: Final answer
    x = 13,287.29

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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.