Home / 11,272.98-16,889.41-9,612.68

Finding the Fourth Proportional to 11,272.98, 16,889.41 and 9,612.68

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Solution

The fourth proportional to 11,272.98, 16,889.41 and 9,612.68 is: 14,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.98 : 16,889.41 = 9,612.68 : x
  2. Step 2: Convert to fraction form
    11,272.98/16,889.41 = 9,612.68/x
  3. Step 3: Cross multiply
    11,272.98x = 16,889.41 × 9,612.68
  4. Step 4: Simplify right side
    11,272.98x = 162,352,511.91
  5. Step 5: Solve for x
    x = 162,352,511.91/11,272.98
  6. Step 6: Final answer
    x = 14,401.92

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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.