Home / 10,130.82-15,190.53-6,971.97

Finding the Fourth Proportional to 10,130.82, 15,190.53 and 6,971.97

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Solution

The fourth proportional to 10,130.82, 15,190.53 and 6,971.97 is: 10,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.82 : 15,190.53 = 6,971.97 : x
  2. Step 2: Convert to fraction form
    10,130.82/15,190.53 = 6,971.97/x
  3. Step 3: Cross multiply
    10,130.82x = 15,190.53 × 6,971.97
  4. Step 4: Simplify right side
    10,130.82x = 105,907,919.44
  5. Step 5: Solve for x
    x = 105,907,919.44/10,130.82
  6. Step 6: Final answer
    x = 10,454.03

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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.