Home / 13,274.93-19,907.66-4,388.63

Finding the Fourth Proportional to 13,274.93, 19,907.66 and 4,388.63

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Solution

The fourth proportional to 13,274.93, 19,907.66 and 4,388.63 is: 6,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.93 : 19,907.66 = 4,388.63 : x
  2. Step 2: Convert to fraction form
    13,274.93/19,907.66 = 4,388.63/x
  3. Step 3: Cross multiply
    13,274.93x = 19,907.66 × 4,388.63
  4. Step 4: Simplify right side
    13,274.93x = 87,367,331.96
  5. Step 5: Solve for x
    x = 87,367,331.96/13,274.93
  6. Step 6: Final answer
    x = 6,581.38

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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.