Home / 19,418.74-29,124.97-6,936.64

Finding the Fourth Proportional to 19,418.74, 29,124.97 and 6,936.64

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Solution

The fourth proportional to 19,418.74, 29,124.97 and 6,936.64 is: 10,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.74 : 29,124.97 = 6,936.64 : x
  2. Step 2: Convert to fraction form
    19,418.74/29,124.97 = 6,936.64/x
  3. Step 3: Cross multiply
    19,418.74x = 29,124.97 × 6,936.64
  4. Step 4: Simplify right side
    19,418.74x = 202,029,341.75
  5. Step 5: Solve for x
    x = 202,029,341.75/19,418.74
  6. Step 6: Final answer
    x = 10,403.84

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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.