Home / 11,449.35-17,173.98-7,552.80

Finding the Fourth Proportional to 11,449.35, 17,173.98 and 7,552.80

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Solution

The fourth proportional to 11,449.35, 17,173.98 and 7,552.80 is: 11,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.35 : 17,173.98 = 7,552.80 : x
  2. Step 2: Convert to fraction form
    11,449.35/17,173.98 = 7,552.80/x
  3. Step 3: Cross multiply
    11,449.35x = 17,173.98 × 7,552.80
  4. Step 4: Simplify right side
    11,449.35x = 129,711,636.14
  5. Step 5: Solve for x
    x = 129,711,636.14/11,449.35
  6. Step 6: Final answer
    x = 11,329.17

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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.