Home / 11,620.25-17,423.22-6,939.35

Finding the Fourth Proportional to 11,620.25, 17,423.22 and 6,939.35

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Solution

The fourth proportional to 11,620.25, 17,423.22 and 6,939.35 is: 10,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.25 : 17,423.22 = 6,939.35 : x
  2. Step 2: Convert to fraction form
    11,620.25/17,423.22 = 6,939.35/x
  3. Step 3: Cross multiply
    11,620.25x = 17,423.22 × 6,939.35
  4. Step 4: Simplify right side
    11,620.25x = 120,905,821.71
  5. Step 5: Solve for x
    x = 120,905,821.71/11,620.25
  6. Step 6: Final answer
    x = 10,404.75

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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.