Home / 17,979.84-24,811.60-11,269.09

Finding the Fourth Proportional to 17,979.84, 24,811.60 and 11,269.09

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Solution

The fourth proportional to 17,979.84, 24,811.60 and 11,269.09 is: 15,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.84 : 24,811.60 = 11,269.09 : x
  2. Step 2: Convert to fraction form
    17,979.84/24,811.60 = 11,269.09/x
  3. Step 3: Cross multiply
    17,979.84x = 24,811.60 × 11,269.09
  4. Step 4: Simplify right side
    17,979.84x = 279,604,074.49
  5. Step 5: Solve for x
    x = 279,604,074.49/17,979.84
  6. Step 6: Final answer
    x = 15,550.98

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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.