Home / 10,512.19-15,760.99-4,960.86

Finding the Fourth Proportional to 10,512.19, 15,760.99 and 4,960.86

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Solution

The fourth proportional to 10,512.19, 15,760.99 and 4,960.86 is: 7,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.19 : 15,760.99 = 4,960.86 : x
  2. Step 2: Convert to fraction form
    10,512.19/15,760.99 = 4,960.86/x
  3. Step 3: Cross multiply
    10,512.19x = 15,760.99 × 4,960.86
  4. Step 4: Simplify right side
    10,512.19x = 78,188,064.85
  5. Step 5: Solve for x
    x = 78,188,064.85/10,512.19
  6. Step 6: Final answer
    x = 7,437.85

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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.