Home / 18,736.91-28,105.41-5,588.99

Finding the Fourth Proportional to 18,736.91, 28,105.41 and 5,588.99

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Solution

The fourth proportional to 18,736.91, 28,105.41 and 5,588.99 is: 8,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.91 : 28,105.41 = 5,588.99 : x
  2. Step 2: Convert to fraction form
    18,736.91/28,105.41 = 5,588.99/x
  3. Step 3: Cross multiply
    18,736.91x = 28,105.41 × 5,588.99
  4. Step 4: Simplify right side
    18,736.91x = 157,080,714.91
  5. Step 5: Solve for x
    x = 157,080,714.91/18,736.91
  6. Step 6: Final answer
    x = 8,383.49

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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.