Home / 10,321.82-15,477.26-4,077.93

Finding the Fourth Proportional to 10,321.82, 15,477.26 and 4,077.93

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Solution

The fourth proportional to 10,321.82, 15,477.26 and 4,077.93 is: 6,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.82 : 15,477.26 = 4,077.93 : x
  2. Step 2: Convert to fraction form
    10,321.82/15,477.26 = 4,077.93/x
  3. Step 3: Cross multiply
    10,321.82x = 15,477.26 × 4,077.93
  4. Step 4: Simplify right side
    10,321.82x = 63,115,182.87
  5. Step 5: Solve for x
    x = 63,115,182.87/10,321.82
  6. Step 6: Final answer
    x = 6,114.73

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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.