Home / 11,430.78-17,148.22-4,039.53

Finding the Fourth Proportional to 11,430.78, 17,148.22 and 4,039.53

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Solution

The fourth proportional to 11,430.78, 17,148.22 and 4,039.53 is: 6,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.78 : 17,148.22 = 4,039.53 : x
  2. Step 2: Convert to fraction form
    11,430.78/17,148.22 = 4,039.53/x
  3. Step 3: Cross multiply
    11,430.78x = 17,148.22 × 4,039.53
  4. Step 4: Simplify right side
    11,430.78x = 69,270,739.04
  5. Step 5: Solve for x
    x = 69,270,739.04/11,430.78
  6. Step 6: Final answer
    x = 6,060.02

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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.