Home / 21,714.46-29,965.62-12,154.60

Finding the Fourth Proportional to 21,714.46, 29,965.62 and 12,154.60

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Solution

The fourth proportional to 21,714.46, 29,965.62 and 12,154.60 is: 16,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.46 : 29,965.62 = 12,154.60 : x
  2. Step 2: Convert to fraction form
    21,714.46/29,965.62 = 12,154.60/x
  3. Step 3: Cross multiply
    21,714.46x = 29,965.62 × 12,154.60
  4. Step 4: Simplify right side
    21,714.46x = 364,220,124.85
  5. Step 5: Solve for x
    x = 364,220,124.85/21,714.46
  6. Step 6: Final answer
    x = 16,773.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.