Home / 17,717.78-24,459.28-12,081.80

Finding the Fourth Proportional to 17,717.78, 24,459.28 and 12,081.80

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Solution

The fourth proportional to 17,717.78, 24,459.28 and 12,081.80 is: 16,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.78 : 24,459.28 = 12,081.80 : x
  2. Step 2: Convert to fraction form
    17,717.78/24,459.28 = 12,081.80/x
  3. Step 3: Cross multiply
    17,717.78x = 24,459.28 × 12,081.80
  4. Step 4: Simplify right side
    17,717.78x = 295,511,976.60
  5. Step 5: Solve for x
    x = 295,511,976.60/17,717.78
  6. Step 6: Final answer
    x = 16,678.84

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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.