Home / 10,920.01-16,381.07-4,344.75

Finding the Fourth Proportional to 10,920.01, 16,381.07 and 4,344.75

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Solution

The fourth proportional to 10,920.01, 16,381.07 and 4,344.75 is: 6,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.01 : 16,381.07 = 4,344.75 : x
  2. Step 2: Convert to fraction form
    10,920.01/16,381.07 = 4,344.75/x
  3. Step 3: Cross multiply
    10,920.01x = 16,381.07 × 4,344.75
  4. Step 4: Simplify right side
    10,920.01x = 71,171,653.88
  5. Step 5: Solve for x
    x = 71,171,653.88/10,920.01
  6. Step 6: Final answer
    x = 6,517.54

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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.