Home / 18,372.36-27,558.34-5,223

Finding the Fourth Proportional to 18,372.36, 27,558.34 and 5,223

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Solution

The fourth proportional to 18,372.36, 27,558.34 and 5,223 is: 7,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.36 : 27,558.34 = 5,223 : x
  2. Step 2: Convert to fraction form
    18,372.36/27,558.34 = 5,223/x
  3. Step 3: Cross multiply
    18,372.36x = 27,558.34 × 5,223
  4. Step 4: Simplify right side
    18,372.36x = 143,937,209.82
  5. Step 5: Solve for x
    x = 143,937,209.82/18,372.36
  6. Step 6: Final answer
    x = 7,834.44

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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.