Home / 18,122.35-27,174.30-7,032.22

Finding the Fourth Proportional to 18,122.35, 27,174.30 and 7,032.22

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Solution

The fourth proportional to 18,122.35, 27,174.30 and 7,032.22 is: 10,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.35 : 27,174.30 = 7,032.22 : x
  2. Step 2: Convert to fraction form
    18,122.35/27,174.30 = 7,032.22/x
  3. Step 3: Cross multiply
    18,122.35x = 27,174.30 × 7,032.22
  4. Step 4: Simplify right side
    18,122.35x = 191,095,601.20
  5. Step 5: Solve for x
    x = 191,095,601.20/18,122.35
  6. Step 6: Final answer
    x = 10,544.75

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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.