Home / 10,166.30-15,247.88-2,771.36

Finding the Fourth Proportional to 10,166.30, 15,247.88 and 2,771.36

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Solution

The fourth proportional to 10,166.30, 15,247.88 and 2,771.36 is: 4,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.30 : 15,247.88 = 2,771.36 : x
  2. Step 2: Convert to fraction form
    10,166.30/15,247.88 = 2,771.36/x
  3. Step 3: Cross multiply
    10,166.30x = 15,247.88 × 2,771.36
  4. Step 4: Simplify right side
    10,166.30x = 42,257,274.62
  5. Step 5: Solve for x
    x = 42,257,274.62/10,166.30
  6. Step 6: Final answer
    x = 4,156.60

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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.