Home / 10,192.84-15,291.32-3,619.54

Finding the Fourth Proportional to 10,192.84, 15,291.32 and 3,619.54

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Solution

The fourth proportional to 10,192.84, 15,291.32 and 3,619.54 is: 5,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.84 : 15,291.32 = 3,619.54 : x
  2. Step 2: Convert to fraction form
    10,192.84/15,291.32 = 3,619.54/x
  3. Step 3: Cross multiply
    10,192.84x = 15,291.32 × 3,619.54
  4. Step 4: Simplify right side
    10,192.84x = 55,347,544.39
  5. Step 5: Solve for x
    x = 55,347,544.39/10,192.84
  6. Step 6: Final answer
    x = 5,430.04

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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.