Home / 10,920.23-16,364.70-6,230.54

Finding the Fourth Proportional to 10,920.23, 16,364.70 and 6,230.54

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Solution

The fourth proportional to 10,920.23, 16,364.70 and 6,230.54 is: 9,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.23 : 16,364.70 = 6,230.54 : x
  2. Step 2: Convert to fraction form
    10,920.23/16,364.70 = 6,230.54/x
  3. Step 3: Cross multiply
    10,920.23x = 16,364.70 × 6,230.54
  4. Step 4: Simplify right side
    10,920.23x = 101,960,917.94
  5. Step 5: Solve for x
    x = 101,960,917.94/10,920.23
  6. Step 6: Final answer
    x = 9,336.88

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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.