Home / 11,943.05-17,921.77-4,157.33

Finding the Fourth Proportional to 11,943.05, 17,921.77 and 4,157.33

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Solution

The fourth proportional to 11,943.05, 17,921.77 and 4,157.33 is: 6,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.05 : 17,921.77 = 4,157.33 : x
  2. Step 2: Convert to fraction form
    11,943.05/17,921.77 = 4,157.33/x
  3. Step 3: Cross multiply
    11,943.05x = 17,921.77 × 4,157.33
  4. Step 4: Simplify right side
    11,943.05x = 74,506,612.07
  5. Step 5: Solve for x
    x = 74,506,612.07/11,943.05
  6. Step 6: Final answer
    x = 6,238.49

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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.