Home / 18,131.10-27,200.76-4,984.53

Finding the Fourth Proportional to 18,131.10, 27,200.76 and 4,984.53

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Solution

The fourth proportional to 18,131.10, 27,200.76 and 4,984.53 is: 7,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.10 : 27,200.76 = 4,984.53 : x
  2. Step 2: Convert to fraction form
    18,131.10/27,200.76 = 4,984.53/x
  3. Step 3: Cross multiply
    18,131.10x = 27,200.76 × 4,984.53
  4. Step 4: Simplify right side
    18,131.10x = 135,583,004.24
  5. Step 5: Solve for x
    x = 135,583,004.24/18,131.10
  6. Step 6: Final answer
    x = 7,477.92

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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.