Home / 11,474-15,831.68-6,756.56

Finding the Fourth Proportional to 11,474, 15,831.68 and 6,756.56

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Solution

The fourth proportional to 11,474, 15,831.68 and 6,756.56 is: 9,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474 : 15,831.68 = 6,756.56 : x
  2. Step 2: Convert to fraction form
    11,474/15,831.68 = 6,756.56/x
  3. Step 3: Cross multiply
    11,474x = 15,831.68 × 6,756.56
  4. Step 4: Simplify right side
    11,474x = 106,967,695.82
  5. Step 5: Solve for x
    x = 106,967,695.82/11,474
  6. Step 6: Final answer
    x = 9,322.62

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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.