Home / 11,908.55-16,453.58-9,409.83

Finding the Fourth Proportional to 11,908.55, 16,453.58 and 9,409.83

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Solution

The fourth proportional to 11,908.55, 16,453.58 and 9,409.83 is: 13,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.55 : 16,453.58 = 9,409.83 : x
  2. Step 2: Convert to fraction form
    11,908.55/16,453.58 = 9,409.83/x
  3. Step 3: Cross multiply
    11,908.55x = 16,453.58 × 9,409.83
  4. Step 4: Simplify right side
    11,908.55x = 154,825,343.64
  5. Step 5: Solve for x
    x = 154,825,343.64/11,908.55
  6. Step 6: Final answer
    x = 13,001.20

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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.