Home / 18,213.72-27,320.54-6,527.84

Finding the Fourth Proportional to 18,213.72, 27,320.54 and 6,527.84

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Solution

The fourth proportional to 18,213.72, 27,320.54 and 6,527.84 is: 9,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.72 : 27,320.54 = 6,527.84 : x
  2. Step 2: Convert to fraction form
    18,213.72/27,320.54 = 6,527.84/x
  3. Step 3: Cross multiply
    18,213.72x = 27,320.54 × 6,527.84
  4. Step 4: Simplify right side
    18,213.72x = 178,344,113.83
  5. Step 5: Solve for x
    x = 178,344,113.83/18,213.72
  6. Step 6: Final answer
    x = 9,791.75

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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.