Home / 18,284.10-27,427.17-5,135.44

Finding the Fourth Proportional to 18,284.10, 27,427.17 and 5,135.44

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Solution

The fourth proportional to 18,284.10, 27,427.17 and 5,135.44 is: 7,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.10 : 27,427.17 = 5,135.44 : x
  2. Step 2: Convert to fraction form
    18,284.10/27,427.17 = 5,135.44/x
  3. Step 3: Cross multiply
    18,284.10x = 27,427.17 × 5,135.44
  4. Step 4: Simplify right side
    18,284.10x = 140,850,585.90
  5. Step 5: Solve for x
    x = 140,850,585.90/18,284.10
  6. Step 6: Final answer
    x = 7,703.45

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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.