Home / 11,875.20-17,811.23-5,299.86

Finding the Fourth Proportional to 11,875.20, 17,811.23 and 5,299.86

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Solution

The fourth proportional to 11,875.20, 17,811.23 and 5,299.86 is: 7,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.20 : 17,811.23 = 5,299.86 : x
  2. Step 2: Convert to fraction form
    11,875.20/17,811.23 = 5,299.86/x
  3. Step 3: Cross multiply
    11,875.20x = 17,811.23 × 5,299.86
  4. Step 4: Simplify right side
    11,875.20x = 94,397,025.43
  5. Step 5: Solve for x
    x = 94,397,025.43/11,875.20
  6. Step 6: Final answer
    x = 7,949.09

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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.