Home / 10,868.92-16,311.56-5,029.64

Finding the Fourth Proportional to 10,868.92, 16,311.56 and 5,029.64

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Solution

The fourth proportional to 10,868.92, 16,311.56 and 5,029.64 is: 7,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.92 : 16,311.56 = 5,029.64 : x
  2. Step 2: Convert to fraction form
    10,868.92/16,311.56 = 5,029.64/x
  3. Step 3: Cross multiply
    10,868.92x = 16,311.56 × 5,029.64
  4. Step 4: Simplify right side
    10,868.92x = 82,041,274.64
  5. Step 5: Solve for x
    x = 82,041,274.64/10,868.92
  6. Step 6: Final answer
    x = 7,548.25

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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.