Home / 11,716.56-16,160.64-11,330.88

Finding the Fourth Proportional to 11,716.56, 16,160.64 and 11,330.88

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Solution

The fourth proportional to 11,716.56, 16,160.64 and 11,330.88 is: 15,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.56 : 16,160.64 = 11,330.88 : x
  2. Step 2: Convert to fraction form
    11,716.56/16,160.64 = 11,330.88/x
  3. Step 3: Cross multiply
    11,716.56x = 16,160.64 × 11,330.88
  4. Step 4: Simplify right side
    11,716.56x = 183,114,272.56
  5. Step 5: Solve for x
    x = 183,114,272.56/11,716.56
  6. Step 6: Final answer
    x = 15,628.67

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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.