Home / 9,419.36-14,129.56-2,845.38

Finding the Fourth Proportional to 9,419.36, 14,129.56 and 2,845.38

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Solution

The fourth proportional to 9,419.36, 14,129.56 and 2,845.38 is: 4,268.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.36 : 14,129.56 = 2,845.38 : x
  2. Step 2: Convert to fraction form
    9,419.36/14,129.56 = 2,845.38/x
  3. Step 3: Cross multiply
    9,419.36x = 14,129.56 × 2,845.38
  4. Step 4: Simplify right side
    9,419.36x = 40,203,967.43
  5. Step 5: Solve for x
    x = 40,203,967.43/9,419.36
  6. Step 6: Final answer
    x = 4,268.23

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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.