Home / 18,220.55-27,330.82-5,073.94

Finding the Fourth Proportional to 18,220.55, 27,330.82 and 5,073.94

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Solution

The fourth proportional to 18,220.55, 27,330.82 and 5,073.94 is: 7,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.55 : 27,330.82 = 5,073.94 : x
  2. Step 2: Convert to fraction form
    18,220.55/27,330.82 = 5,073.94/x
  3. Step 3: Cross multiply
    18,220.55x = 27,330.82 × 5,073.94
  4. Step 4: Simplify right side
    18,220.55x = 138,674,962.31
  5. Step 5: Solve for x
    x = 138,674,962.31/18,220.55
  6. Step 6: Final answer
    x = 7,610.91

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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.