Home / 18,273.35-25,217.22-9,889.85

Finding the Fourth Proportional to 18,273.35, 25,217.22 and 9,889.85

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Solution

The fourth proportional to 18,273.35, 25,217.22 and 9,889.85 is: 13,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.35 : 25,217.22 = 9,889.85 : x
  2. Step 2: Convert to fraction form
    18,273.35/25,217.22 = 9,889.85/x
  3. Step 3: Cross multiply
    18,273.35x = 25,217.22 × 9,889.85
  4. Step 4: Simplify right side
    18,273.35x = 249,394,523.22
  5. Step 5: Solve for x
    x = 249,394,523.22/18,273.35
  6. Step 6: Final answer
    x = 13,647.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.