Home / 18,539.24-27,813.42-5,391.72

Finding the Fourth Proportional to 18,539.24, 27,813.42 and 5,391.72

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Solution

The fourth proportional to 18,539.24, 27,813.42 and 5,391.72 is: 8,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.24 : 27,813.42 = 5,391.72 : x
  2. Step 2: Convert to fraction form
    18,539.24/27,813.42 = 5,391.72/x
  3. Step 3: Cross multiply
    18,539.24x = 27,813.42 × 5,391.72
  4. Step 4: Simplify right side
    18,539.24x = 149,962,172.88
  5. Step 5: Solve for x
    x = 149,962,172.88/18,539.24
  6. Step 6: Final answer
    x = 8,088.91

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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.