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Finding the Fourth Proportional to 8,295.13, 12,442.67 and 6,831.20

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Solution

The fourth proportional to 8,295.13, 12,442.67 and 6,831.20 is: 10,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.13 : 12,442.67 = 6,831.20 : x
  2. Step 2: Convert to fraction form
    8,295.13/12,442.67 = 6,831.20/x
  3. Step 3: Cross multiply
    8,295.13x = 12,442.67 × 6,831.20
  4. Step 4: Simplify right side
    8,295.13x = 84,998,270.93
  5. Step 5: Solve for x
    x = 84,998,270.93/8,295.13
  6. Step 6: Final answer
    x = 10,246.77

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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.