Home / 12,831.04-17,701.94-7,793.36

Finding the Fourth Proportional to 12,831.04, 17,701.94 and 7,793.36

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Solution

The fourth proportional to 12,831.04, 17,701.94 and 7,793.36 is: 10,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.04 : 17,701.94 = 7,793.36 : x
  2. Step 2: Convert to fraction form
    12,831.04/17,701.94 = 7,793.36/x
  3. Step 3: Cross multiply
    12,831.04x = 17,701.94 × 7,793.36
  4. Step 4: Simplify right side
    12,831.04x = 137,957,591.12
  5. Step 5: Solve for x
    x = 137,957,591.12/12,831.04
  6. Step 6: Final answer
    x = 10,751.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.