Home / 10,194.23-15,292.86-3,619.86

Finding the Fourth Proportional to 10,194.23, 15,292.86 and 3,619.86

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Solution

The fourth proportional to 10,194.23, 15,292.86 and 3,619.86 is: 5,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.23 : 15,292.86 = 3,619.86 : x
  2. Step 2: Convert to fraction form
    10,194.23/15,292.86 = 3,619.86/x
  3. Step 3: Cross multiply
    10,194.23x = 15,292.86 × 3,619.86
  4. Step 4: Simplify right side
    10,194.23x = 55,358,012.20
  5. Step 5: Solve for x
    x = 55,358,012.20/10,194.23
  6. Step 6: Final answer
    x = 5,430.33

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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.