Home / 18,645.98-27,969.84-5,498.45

Finding the Fourth Proportional to 18,645.98, 27,969.84 and 5,498.45

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Solution

The fourth proportional to 18,645.98, 27,969.84 and 5,498.45 is: 8,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.98 : 27,969.84 = 5,498.45 : x
  2. Step 2: Convert to fraction form
    18,645.98/27,969.84 = 5,498.45/x
  3. Step 3: Cross multiply
    18,645.98x = 27,969.84 × 5,498.45
  4. Step 4: Simplify right side
    18,645.98x = 153,790,766.75
  5. Step 5: Solve for x
    x = 153,790,766.75/18,645.98
  6. Step 6: Final answer
    x = 8,247.93

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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.