Home / 18,114.92-27,169.58-7,442.36

Finding the Fourth Proportional to 18,114.92, 27,169.58 and 7,442.36

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Solution

The fourth proportional to 18,114.92, 27,169.58 and 7,442.36 is: 11,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.92 : 27,169.58 = 7,442.36 : x
  2. Step 2: Convert to fraction form
    18,114.92/27,169.58 = 7,442.36/x
  3. Step 3: Cross multiply
    18,114.92x = 27,169.58 × 7,442.36
  4. Step 4: Simplify right side
    18,114.92x = 202,205,795.41
  5. Step 5: Solve for x
    x = 202,205,795.41/18,114.92
  6. Step 6: Final answer
    x = 11,162.39

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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.