Home / 10,968.01-15,131.91-6,249.56

Finding the Fourth Proportional to 10,968.01, 15,131.91 and 6,249.56

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Solution

The fourth proportional to 10,968.01, 15,131.91 and 6,249.56 is: 8,622.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.01 : 15,131.91 = 6,249.56 : x
  2. Step 2: Convert to fraction form
    10,968.01/15,131.91 = 6,249.56/x
  3. Step 3: Cross multiply
    10,968.01x = 15,131.91 × 6,249.56
  4. Step 4: Simplify right side
    10,968.01x = 94,567,727.24
  5. Step 5: Solve for x
    x = 94,567,727.24/10,968.01
  6. Step 6: Final answer
    x = 8,622.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.