Home / 18,625.18-27,937.91-7,529.80

Finding the Fourth Proportional to 18,625.18, 27,937.91 and 7,529.80

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Solution

The fourth proportional to 18,625.18, 27,937.91 and 7,529.80 is: 11,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.18 : 27,937.91 = 7,529.80 : x
  2. Step 2: Convert to fraction form
    18,625.18/27,937.91 = 7,529.80/x
  3. Step 3: Cross multiply
    18,625.18x = 27,937.91 × 7,529.80
  4. Step 4: Simplify right side
    18,625.18x = 210,366,874.72
  5. Step 5: Solve for x
    x = 210,366,874.72/18,625.18
  6. Step 6: Final answer
    x = 11,294.76

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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.