Home / 18,634.77-27,942.53-5,485.44

Finding the Fourth Proportional to 18,634.77, 27,942.53 and 5,485.44

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Solution

The fourth proportional to 18,634.77, 27,942.53 and 5,485.44 is: 8,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.77 : 27,942.53 = 5,485.44 : x
  2. Step 2: Convert to fraction form
    18,634.77/27,942.53 = 5,485.44/x
  3. Step 3: Cross multiply
    18,634.77x = 27,942.53 × 5,485.44
  4. Step 4: Simplify right side
    18,634.77x = 153,277,044.34
  5. Step 5: Solve for x
    x = 153,277,044.34/18,634.77
  6. Step 6: Final answer
    x = 8,225.33

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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.