Home / 18,207.60-27,313.66-6,520.82

Finding the Fourth Proportional to 18,207.60, 27,313.66 and 6,520.82

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Solution

The fourth proportional to 18,207.60, 27,313.66 and 6,520.82 is: 9,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.60 : 27,313.66 = 6,520.82 : x
  2. Step 2: Convert to fraction form
    18,207.60/27,313.66 = 6,520.82/x
  3. Step 3: Cross multiply
    18,207.60x = 27,313.66 × 6,520.82
  4. Step 4: Simplify right side
    18,207.60x = 178,107,460.40
  5. Step 5: Solve for x
    x = 178,107,460.40/18,207.60
  6. Step 6: Final answer
    x = 9,782.04

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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.