Home / 14,279.04-19,704.96-12,286.08

Finding the Fourth Proportional to 14,279.04, 19,704.96 and 12,286.08

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Solution

The fourth proportional to 14,279.04, 19,704.96 and 12,286.08 is: 16,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.04 : 19,704.96 = 12,286.08 : x
  2. Step 2: Convert to fraction form
    14,279.04/19,704.96 = 12,286.08/x
  3. Step 3: Cross multiply
    14,279.04x = 19,704.96 × 12,286.08
  4. Step 4: Simplify right side
    14,279.04x = 242,096,714.96
  5. Step 5: Solve for x
    x = 242,096,714.96/14,279.04
  6. Step 6: Final answer
    x = 16,954.69

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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.