Home / 9,939.92-14,911.70-3,276.79

Finding the Fourth Proportional to 9,939.92, 14,911.70 and 3,276.79

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Solution

The fourth proportional to 9,939.92, 14,911.70 and 3,276.79 is: 4,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.92 : 14,911.70 = 3,276.79 : x
  2. Step 2: Convert to fraction form
    9,939.92/14,911.70 = 3,276.79/x
  3. Step 3: Cross multiply
    9,939.92x = 14,911.70 × 3,276.79
  4. Step 4: Simplify right side
    9,939.92x = 48,862,455.78
  5. Step 5: Solve for x
    x = 48,862,455.78/9,939.92
  6. Step 6: Final answer
    x = 4,915.78

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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.