Home / 18,248.32-27,372.53-5,100.81

Finding the Fourth Proportional to 18,248.32, 27,372.53 and 5,100.81

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Solution

The fourth proportional to 18,248.32, 27,372.53 and 5,100.81 is: 7,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.32 : 27,372.53 = 5,100.81 : x
  2. Step 2: Convert to fraction form
    18,248.32/27,372.53 = 5,100.81/x
  3. Step 3: Cross multiply
    18,248.32x = 27,372.53 × 5,100.81
  4. Step 4: Simplify right side
    18,248.32x = 139,621,984.85
  5. Step 5: Solve for x
    x = 139,621,984.85/18,248.32
  6. Step 6: Final answer
    x = 7,651.22

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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.