Home / 10,499.19-15,743.34-3,102.66

Finding the Fourth Proportional to 10,499.19, 15,743.34 and 3,102.66

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Solution

The fourth proportional to 10,499.19, 15,743.34 and 3,102.66 is: 4,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.19 : 15,743.34 = 3,102.66 : x
  2. Step 2: Convert to fraction form
    10,499.19/15,743.34 = 3,102.66/x
  3. Step 3: Cross multiply
    10,499.19x = 15,743.34 × 3,102.66
  4. Step 4: Simplify right side
    10,499.19x = 48,846,231.28
  5. Step 5: Solve for x
    x = 48,846,231.28/10,499.19
  6. Step 6: Final answer
    x = 4,652.38

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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.