Home / 10,813.16-16,219.75-3,021.97

Finding the Fourth Proportional to 10,813.16, 16,219.75 and 3,021.97

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Solution

The fourth proportional to 10,813.16, 16,219.75 and 3,021.97 is: 4,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.16 : 16,219.75 = 3,021.97 : x
  2. Step 2: Convert to fraction form
    10,813.16/16,219.75 = 3,021.97/x
  3. Step 3: Cross multiply
    10,813.16x = 16,219.75 × 3,021.97
  4. Step 4: Simplify right side
    10,813.16x = 49,015,597.91
  5. Step 5: Solve for x
    x = 49,015,597.91/10,813.16
  6. Step 6: Final answer
    x = 4,532.96

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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.