Home / 10,831.25-14,942.94-6,353.37

Finding the Fourth Proportional to 10,831.25, 14,942.94 and 6,353.37

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Solution

The fourth proportional to 10,831.25, 14,942.94 and 6,353.37 is: 8,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.25 : 14,942.94 = 6,353.37 : x
  2. Step 2: Convert to fraction form
    10,831.25/14,942.94 = 6,353.37/x
  3. Step 3: Cross multiply
    10,831.25x = 14,942.94 × 6,353.37
  4. Step 4: Simplify right side
    10,831.25x = 94,938,002.88
  5. Step 5: Solve for x
    x = 94,938,002.88/10,831.25
  6. Step 6: Final answer
    x = 8,765.19

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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.