Home / 10,236.86-15,330.68-6,939.95

Finding the Fourth Proportional to 10,236.86, 15,330.68 and 6,939.95

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Solution

The fourth proportional to 10,236.86, 15,330.68 and 6,939.95 is: 10,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.86 : 15,330.68 = 6,939.95 : x
  2. Step 2: Convert to fraction form
    10,236.86/15,330.68 = 6,939.95/x
  3. Step 3: Cross multiply
    10,236.86x = 15,330.68 × 6,939.95
  4. Step 4: Simplify right side
    10,236.86x = 106,394,152.67
  5. Step 5: Solve for x
    x = 106,394,152.67/10,236.86
  6. Step 6: Final answer
    x = 10,393.24

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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.