Home / 20,873.64-31,313.46-6,080.64

Finding the Fourth Proportional to 20,873.64, 31,313.46 and 6,080.64

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Solution

The fourth proportional to 20,873.64, 31,313.46 and 6,080.64 is: 9,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.64 : 31,313.46 = 6,080.64 : x
  2. Step 2: Convert to fraction form
    20,873.64/31,313.46 = 6,080.64/x
  3. Step 3: Cross multiply
    20,873.64x = 31,313.46 × 6,080.64
  4. Step 4: Simplify right side
    20,873.64x = 190,405,877.41
  5. Step 5: Solve for x
    x = 190,405,877.41/20,873.64
  6. Step 6: Final answer
    x = 9,121.83

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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.