Home / 8,014.16-11,968.60-6,831.56

Finding the Fourth Proportional to 8,014.16, 11,968.60 and 6,831.56

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Solution

The fourth proportional to 8,014.16, 11,968.60 and 6,831.56 is: 10,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.16 : 11,968.60 = 6,831.56 : x
  2. Step 2: Convert to fraction form
    8,014.16/11,968.60 = 6,831.56/x
  3. Step 3: Cross multiply
    8,014.16x = 11,968.60 × 6,831.56
  4. Step 4: Simplify right side
    8,014.16x = 81,764,209.02
  5. Step 5: Solve for x
    x = 81,764,209.02/8,014.16
  6. Step 6: Final answer
    x = 10,202.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.