Home / 10,776.44-16,168.80-4,207.28

Finding the Fourth Proportional to 10,776.44, 16,168.80 and 4,207.28

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Solution

The fourth proportional to 10,776.44, 16,168.80 and 4,207.28 is: 6,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.44 : 16,168.80 = 4,207.28 : x
  2. Step 2: Convert to fraction form
    10,776.44/16,168.80 = 4,207.28/x
  3. Step 3: Cross multiply
    10,776.44x = 16,168.80 × 4,207.28
  4. Step 4: Simplify right side
    10,776.44x = 68,026,668.86
  5. Step 5: Solve for x
    x = 68,026,668.86/10,776.44
  6. Step 6: Final answer
    x = 6,312.54

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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.