Home / 21,491.38-32,249.59-9,010.44

Finding the Fourth Proportional to 21,491.38, 32,249.59 and 9,010.44

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Solution

The fourth proportional to 21,491.38, 32,249.59 and 9,010.44 is: 13,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.38 : 32,249.59 = 9,010.44 : x
  2. Step 2: Convert to fraction form
    21,491.38/32,249.59 = 9,010.44/x
  3. Step 3: Cross multiply
    21,491.38x = 32,249.59 × 9,010.44
  4. Step 4: Simplify right side
    21,491.38x = 290,583,023.88
  5. Step 5: Solve for x
    x = 290,583,023.88/21,491.38
  6. Step 6: Final answer
    x = 13,520.91

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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.