Home / 11,021.58-16,515.09-9,371.34

Finding the Fourth Proportional to 11,021.58, 16,515.09 and 9,371.34

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Solution

The fourth proportional to 11,021.58, 16,515.09 and 9,371.34 is: 14,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.58 : 16,515.09 = 9,371.34 : x
  2. Step 2: Convert to fraction form
    11,021.58/16,515.09 = 9,371.34/x
  3. Step 3: Cross multiply
    11,021.58x = 16,515.09 × 9,371.34
  4. Step 4: Simplify right side
    11,021.58x = 154,768,523.52
  5. Step 5: Solve for x
    x = 154,768,523.52/11,021.58
  6. Step 6: Final answer
    x = 14,042.32

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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.