Home / 20,883.20-31,321.46-6,088.66

Finding the Fourth Proportional to 20,883.20, 31,321.46 and 6,088.66

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Solution

The fourth proportional to 20,883.20, 31,321.46 and 6,088.66 is: 9,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.20 : 31,321.46 = 6,088.66 : x
  2. Step 2: Convert to fraction form
    20,883.20/31,321.46 = 6,088.66/x
  3. Step 3: Cross multiply
    20,883.20x = 31,321.46 × 6,088.66
  4. Step 4: Simplify right side
    20,883.20x = 190,705,720.64
  5. Step 5: Solve for x
    x = 190,705,720.64/20,883.20
  6. Step 6: Final answer
    x = 9,132.02

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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.