Home / 18,123.30-27,187.48-5,644.22

Finding the Fourth Proportional to 18,123.30, 27,187.48 and 5,644.22

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Solution

The fourth proportional to 18,123.30, 27,187.48 and 5,644.22 is: 8,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.30 : 27,187.48 = 5,644.22 : x
  2. Step 2: Convert to fraction form
    18,123.30/27,187.48 = 5,644.22/x
  3. Step 3: Cross multiply
    18,123.30x = 27,187.48 × 5,644.22
  4. Step 4: Simplify right side
    18,123.30x = 153,452,118.37
  5. Step 5: Solve for x
    x = 153,452,118.37/18,123.30
  6. Step 6: Final answer
    x = 8,467.12

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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.