Home / 11,406.42-17,119.35-6,719.56

Finding the Fourth Proportional to 11,406.42, 17,119.35 and 6,719.56

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Solution

The fourth proportional to 11,406.42, 17,119.35 and 6,719.56 is: 10,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.42 : 17,119.35 = 6,719.56 : x
  2. Step 2: Convert to fraction form
    11,406.42/17,119.35 = 6,719.56/x
  3. Step 3: Cross multiply
    11,406.42x = 17,119.35 × 6,719.56
  4. Step 4: Simplify right side
    11,406.42x = 115,034,456.69
  5. Step 5: Solve for x
    x = 115,034,456.69/11,406.42
  6. Step 6: Final answer
    x = 10,085.06

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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.