Home / 11,430.35-17,142.24-4,409.81

Finding the Fourth Proportional to 11,430.35, 17,142.24 and 4,409.81

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Solution

The fourth proportional to 11,430.35, 17,142.24 and 4,409.81 is: 6,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.35 : 17,142.24 = 4,409.81 : x
  2. Step 2: Convert to fraction form
    11,430.35/17,142.24 = 4,409.81/x
  3. Step 3: Cross multiply
    11,430.35x = 17,142.24 × 4,409.81
  4. Step 4: Simplify right side
    11,430.35x = 75,594,021.37
  5. Step 5: Solve for x
    x = 75,594,021.37/11,430.35
  6. Step 6: Final answer
    x = 6,613.45

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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.