Home / 18,014.48-27,021.64-4,868.20

Finding the Fourth Proportional to 18,014.48, 27,021.64 and 4,868.20

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Solution

The fourth proportional to 18,014.48, 27,021.64 and 4,868.20 is: 7,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.48 : 27,021.64 = 4,868.20 : x
  2. Step 2: Convert to fraction form
    18,014.48/27,021.64 = 4,868.20/x
  3. Step 3: Cross multiply
    18,014.48x = 27,021.64 × 4,868.20
  4. Step 4: Simplify right side
    18,014.48x = 131,546,747.85
  5. Step 5: Solve for x
    x = 131,546,747.85/18,014.48
  6. Step 6: Final answer
    x = 7,302.28

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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.