Home / 18,645.08-27,971.50-5,496.36

Finding the Fourth Proportional to 18,645.08, 27,971.50 and 5,496.36

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Solution

The fourth proportional to 18,645.08, 27,971.50 and 5,496.36 is: 8,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.08 : 27,971.50 = 5,496.36 : x
  2. Step 2: Convert to fraction form
    18,645.08/27,971.50 = 5,496.36/x
  3. Step 3: Cross multiply
    18,645.08x = 27,971.50 × 5,496.36
  4. Step 4: Simplify right side
    18,645.08x = 153,741,433.74
  5. Step 5: Solve for x
    x = 153,741,433.74/18,645.08
  6. Step 6: Final answer
    x = 8,245.68

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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.