Home / 10,964.89-16,455.84-4,391.74

Finding the Fourth Proportional to 10,964.89, 16,455.84 and 4,391.74

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Solution

The fourth proportional to 10,964.89, 16,455.84 and 4,391.74 is: 6,591.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.89 : 16,455.84 = 4,391.74 : x
  2. Step 2: Convert to fraction form
    10,964.89/16,455.84 = 4,391.74/x
  3. Step 3: Cross multiply
    10,964.89x = 16,455.84 × 4,391.74
  4. Step 4: Simplify right side
    10,964.89x = 72,269,770.76
  5. Step 5: Solve for x
    x = 72,269,770.76/10,964.89
  6. Step 6: Final answer
    x = 6,591.02

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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.