Home / 12,193.93-18,278.34-4,795.39

Finding the Fourth Proportional to 12,193.93, 18,278.34 and 4,795.39

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Solution

The fourth proportional to 12,193.93, 18,278.34 and 4,795.39 is: 7,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.93 : 18,278.34 = 4,795.39 : x
  2. Step 2: Convert to fraction form
    12,193.93/18,278.34 = 4,795.39/x
  3. Step 3: Cross multiply
    12,193.93x = 18,278.34 × 4,795.39
  4. Step 4: Simplify right side
    12,193.93x = 87,651,705.17
  5. Step 5: Solve for x
    x = 87,651,705.17/12,193.93
  6. Step 6: Final answer
    x = 7,188.14

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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.