Home / 18,337.43-27,490.37-7,797.80

Finding the Fourth Proportional to 18,337.43, 27,490.37 and 7,797.80

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Solution

The fourth proportional to 18,337.43, 27,490.37 and 7,797.80 is: 11,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.43 : 27,490.37 = 7,797.80 : x
  2. Step 2: Convert to fraction form
    18,337.43/27,490.37 = 7,797.80/x
  3. Step 3: Cross multiply
    18,337.43x = 27,490.37 × 7,797.80
  4. Step 4: Simplify right side
    18,337.43x = 214,364,436.92
  5. Step 5: Solve for x
    x = 214,364,436.92/18,337.43
  6. Step 6: Final answer
    x = 11,689.99

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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.