Home / 11,712.06-17,575.02-4,321.72

Finding the Fourth Proportional to 11,712.06, 17,575.02 and 4,321.72

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Solution

The fourth proportional to 11,712.06, 17,575.02 and 4,321.72 is: 6,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.06 : 17,575.02 = 4,321.72 : x
  2. Step 2: Convert to fraction form
    11,712.06/17,575.02 = 4,321.72/x
  3. Step 3: Cross multiply
    11,712.06x = 17,575.02 × 4,321.72
  4. Step 4: Simplify right side
    11,712.06x = 75,954,315.43
  5. Step 5: Solve for x
    x = 75,954,315.43/11,712.06
  6. Step 6: Final answer
    x = 6,485.14

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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.