Home / 18,103.57-27,148.69-6,254.33

Finding the Fourth Proportional to 18,103.57, 27,148.69 and 6,254.33

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Solution

The fourth proportional to 18,103.57, 27,148.69 and 6,254.33 is: 9,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.57 : 27,148.69 = 6,254.33 : x
  2. Step 2: Convert to fraction form
    18,103.57/27,148.69 = 6,254.33/x
  3. Step 3: Cross multiply
    18,103.57x = 27,148.69 × 6,254.33
  4. Step 4: Simplify right side
    18,103.57x = 169,796,738.40
  5. Step 5: Solve for x
    x = 169,796,738.40/18,103.57
  6. Step 6: Final answer
    x = 9,379.19

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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.