Home / 18,372.23-27,558.16-5,222.87

Finding the Fourth Proportional to 18,372.23, 27,558.16 and 5,222.87

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Solution

The fourth proportional to 18,372.23, 27,558.16 and 5,222.87 is: 7,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.23 : 27,558.16 = 5,222.87 : x
  2. Step 2: Convert to fraction form
    18,372.23/27,558.16 = 5,222.87/x
  3. Step 3: Cross multiply
    18,372.23x = 27,558.16 × 5,222.87
  4. Step 4: Simplify right side
    18,372.23x = 143,932,536.27
  5. Step 5: Solve for x
    x = 143,932,536.27/18,372.23
  6. Step 6: Final answer
    x = 7,834.25

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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.