Home / 10,481.52-15,720.48-3,085.92

Finding the Fourth Proportional to 10,481.52, 15,720.48 and 3,085.92

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Solution

The fourth proportional to 10,481.52, 15,720.48 and 3,085.92 is: 4,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.52 : 15,720.48 = 3,085.92 : x
  2. Step 2: Convert to fraction form
    10,481.52/15,720.48 = 3,085.92/x
  3. Step 3: Cross multiply
    10,481.52x = 15,720.48 × 3,085.92
  4. Step 4: Simplify right side
    10,481.52x = 48,512,143.64
  5. Step 5: Solve for x
    x = 48,512,143.64/10,481.52
  6. Step 6: Final answer
    x = 4,628.35

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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.