Home / 14,408.58-21,612.87-11,126.46

Finding the Fourth Proportional to 14,408.58, 21,612.87 and 11,126.46

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Solution

The fourth proportional to 14,408.58, 21,612.87 and 11,126.46 is: 16,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.58 : 21,612.87 = 11,126.46 : x
  2. Step 2: Convert to fraction form
    14,408.58/21,612.87 = 11,126.46/x
  3. Step 3: Cross multiply
    14,408.58x = 21,612.87 × 11,126.46
  4. Step 4: Simplify right side
    14,408.58x = 240,474,733.54
  5. Step 5: Solve for x
    x = 240,474,733.54/14,408.58
  6. Step 6: Final answer
    x = 16,689.69

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Similar ratio
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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.