Home / 18,265.68-25,207.77-10,305

Finding the Fourth Proportional to 18,265.68, 25,207.77 and 10,305

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Solution

The fourth proportional to 18,265.68, 25,207.77 and 10,305 is: 14,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.68 : 25,207.77 = 10,305 : x
  2. Step 2: Convert to fraction form
    18,265.68/25,207.77 = 10,305/x
  3. Step 3: Cross multiply
    18,265.68x = 25,207.77 × 10,305
  4. Step 4: Simplify right side
    18,265.68x = 259,766,069.85
  5. Step 5: Solve for x
    x = 259,766,069.85/18,265.68
  6. Step 6: Final answer
    x = 14,221.54

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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.