Home / 18,284.31-27,427.53-5,137.71

Finding the Fourth Proportional to 18,284.31, 27,427.53 and 5,137.71

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Solution

The fourth proportional to 18,284.31, 27,427.53 and 5,137.71 is: 7,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.31 : 27,427.53 = 5,137.71 : x
  2. Step 2: Convert to fraction form
    18,284.31/27,427.53 = 5,137.71/x
  3. Step 3: Cross multiply
    18,284.31x = 27,427.53 × 5,137.71
  4. Step 4: Simplify right side
    18,284.31x = 140,914,695.16
  5. Step 5: Solve for x
    x = 140,914,695.16/18,284.31
  6. Step 6: Final answer
    x = 7,706.86

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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.