Home / 18,353.55-27,531.36-5,204.88

Finding the Fourth Proportional to 18,353.55, 27,531.36 and 5,204.88

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Solution

The fourth proportional to 18,353.55, 27,531.36 and 5,204.88 is: 7,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.55 : 27,531.36 = 5,204.88 : x
  2. Step 2: Convert to fraction form
    18,353.55/27,531.36 = 5,204.88/x
  3. Step 3: Cross multiply
    18,353.55x = 27,531.36 × 5,204.88
  4. Step 4: Simplify right side
    18,353.55x = 143,297,425.04
  5. Step 5: Solve for x
    x = 143,297,425.04/18,353.55
  6. Step 6: Final answer
    x = 7,807.61

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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.