Home / 11,253.79-16,884.33-5,409.64

Finding the Fourth Proportional to 11,253.79, 16,884.33 and 5,409.64

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Solution

The fourth proportional to 11,253.79, 16,884.33 and 5,409.64 is: 8,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.79 : 16,884.33 = 5,409.64 : x
  2. Step 2: Convert to fraction form
    11,253.79/16,884.33 = 5,409.64/x
  3. Step 3: Cross multiply
    11,253.79x = 16,884.33 × 5,409.64
  4. Step 4: Simplify right side
    11,253.79x = 91,338,146.94
  5. Step 5: Solve for x
    x = 91,338,146.94/11,253.79
  6. Step 6: Final answer
    x = 8,116.21

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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.