Home / 12,582.14-18,851.33-6,728.27

Finding the Fourth Proportional to 12,582.14, 18,851.33 and 6,728.27

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Solution

The fourth proportional to 12,582.14, 18,851.33 and 6,728.27 is: 10,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.14 : 18,851.33 = 6,728.27 : x
  2. Step 2: Convert to fraction form
    12,582.14/18,851.33 = 6,728.27/x
  3. Step 3: Cross multiply
    12,582.14x = 18,851.33 × 6,728.27
  4. Step 4: Simplify right side
    12,582.14x = 126,836,760.66
  5. Step 5: Solve for x
    x = 126,836,760.66/12,582.14
  6. Step 6: Final answer
    x = 10,080.70

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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.