Home / 10,379.52-15,561.74-4,137.66

Finding the Fourth Proportional to 10,379.52, 15,561.74 and 4,137.66

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Solution

The fourth proportional to 10,379.52, 15,561.74 and 4,137.66 is: 6,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.52 : 15,561.74 = 4,137.66 : x
  2. Step 2: Convert to fraction form
    10,379.52/15,561.74 = 4,137.66/x
  3. Step 3: Cross multiply
    10,379.52x = 15,561.74 × 4,137.66
  4. Step 4: Simplify right side
    10,379.52x = 64,389,168.44
  5. Step 5: Solve for x
    x = 64,389,168.44/10,379.52
  6. Step 6: Final answer
    x = 6,203.48

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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.