Home / 10,912.01-16,373.88-4,338.25

Finding the Fourth Proportional to 10,912.01, 16,373.88 and 4,338.25

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Solution

The fourth proportional to 10,912.01, 16,373.88 and 4,338.25 is: 6,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.01 : 16,373.88 = 4,338.25 : x
  2. Step 2: Convert to fraction form
    10,912.01/16,373.88 = 4,338.25/x
  3. Step 3: Cross multiply
    10,912.01x = 16,373.88 × 4,338.25
  4. Step 4: Simplify right side
    10,912.01x = 71,033,984.91
  5. Step 5: Solve for x
    x = 71,033,984.91/10,912.01
  6. Step 6: Final answer
    x = 6,509.71

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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.