Home / 10,191-15,286.95-2,795.29

Finding the Fourth Proportional to 10,191, 15,286.95 and 2,795.29

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Solution

The fourth proportional to 10,191, 15,286.95 and 2,795.29 is: 4,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191 : 15,286.95 = 2,795.29 : x
  2. Step 2: Convert to fraction form
    10,191/15,286.95 = 2,795.29/x
  3. Step 3: Cross multiply
    10,191x = 15,286.95 × 2,795.29
  4. Step 4: Simplify right side
    10,191x = 42,731,458.47
  5. Step 5: Solve for x
    x = 42,731,458.47/10,191
  6. Step 6: Final answer
    x = 4,193.06

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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.