Home / 13,135.73-19,703.70-3,274.63

Finding the Fourth Proportional to 13,135.73, 19,703.70 and 3,274.63

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Solution

The fourth proportional to 13,135.73, 19,703.70 and 3,274.63 is: 4,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.73 : 19,703.70 = 3,274.63 : x
  2. Step 2: Convert to fraction form
    13,135.73/19,703.70 = 3,274.63/x
  3. Step 3: Cross multiply
    13,135.73x = 19,703.70 × 3,274.63
  4. Step 4: Simplify right side
    13,135.73x = 64,522,277.87
  5. Step 5: Solve for x
    x = 64,522,277.87/13,135.73
  6. Step 6: Final answer
    x = 4,911.97

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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.