Home / 13,186.56-19,777.56-6,167.28

Finding the Fourth Proportional to 13,186.56, 19,777.56 and 6,167.28

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Solution

The fourth proportional to 13,186.56, 19,777.56 and 6,167.28 is: 9,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.56 : 19,777.56 = 6,167.28 : x
  2. Step 2: Convert to fraction form
    13,186.56/19,777.56 = 6,167.28/x
  3. Step 3: Cross multiply
    13,186.56x = 19,777.56 × 6,167.28
  4. Step 4: Simplify right side
    13,186.56x = 121,973,750.24
  5. Step 5: Solve for x
    x = 121,973,750.24/13,186.56
  6. Step 6: Final answer
    x = 9,249.85

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1.5x scale

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.