Home / 13,777.37-20,655.87-4,411.97

Finding the Fourth Proportional to 13,777.37, 20,655.87 and 4,411.97

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Solution

The fourth proportional to 13,777.37, 20,655.87 and 4,411.97 is: 6,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.37 : 20,655.87 = 4,411.97 : x
  2. Step 2: Convert to fraction form
    13,777.37/20,655.87 = 4,411.97/x
  3. Step 3: Cross multiply
    13,777.37x = 20,655.87 × 4,411.97
  4. Step 4: Simplify right side
    13,777.37x = 91,132,975.48
  5. Step 5: Solve for x
    x = 91,132,975.48/13,777.37
  6. Step 6: Final answer
    x = 6,614.69

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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.