Home / 18,207.22-27,313.71-6,520.18

Finding the Fourth Proportional to 18,207.22, 27,313.71 and 6,520.18

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Solution

The fourth proportional to 18,207.22, 27,313.71 and 6,520.18 is: 9,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.22 : 27,313.71 = 6,520.18 : x
  2. Step 2: Convert to fraction form
    18,207.22/27,313.71 = 6,520.18/x
  3. Step 3: Cross multiply
    18,207.22x = 27,313.71 × 6,520.18
  4. Step 4: Simplify right side
    18,207.22x = 178,090,305.67
  5. Step 5: Solve for x
    x = 178,090,305.67/18,207.22
  6. Step 6: Final answer
    x = 9,781.30

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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.