Home / 18,130.72-27,174.21-9,360.85

Finding the Fourth Proportional to 18,130.72, 27,174.21 and 9,360.85

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Solution

The fourth proportional to 18,130.72, 27,174.21 and 9,360.85 is: 14,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.72 : 27,174.21 = 9,360.85 : x
  2. Step 2: Convert to fraction form
    18,130.72/27,174.21 = 9,360.85/x
  3. Step 3: Cross multiply
    18,130.72x = 27,174.21 × 9,360.85
  4. Step 4: Simplify right side
    18,130.72x = 254,373,703.68
  5. Step 5: Solve for x
    x = 254,373,703.68/18,130.72
  6. Step 6: Final answer
    x = 14,029.98

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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.