Home / 14,311.32-21,468.60-12,841.44

Finding the Fourth Proportional to 14,311.32, 21,468.60 and 12,841.44

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Solution

The fourth proportional to 14,311.32, 21,468.60 and 12,841.44 is: 19,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.32 : 21,468.60 = 12,841.44 : x
  2. Step 2: Convert to fraction form
    14,311.32/21,468.60 = 12,841.44/x
  3. Step 3: Cross multiply
    14,311.32x = 21,468.60 × 12,841.44
  4. Step 4: Simplify right side
    14,311.32x = 275,687,738.78
  5. Step 5: Solve for x
    x = 275,687,738.78/14,311.32
  6. Step 6: Final answer
    x = 19,263.61

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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.