Home / 14,286.24-19,714.56-7,913.04

Finding the Fourth Proportional to 14,286.24, 19,714.56 and 7,913.04

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Solution

The fourth proportional to 14,286.24, 19,714.56 and 7,913.04 is: 10,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.24 : 19,714.56 = 7,913.04 : x
  2. Step 2: Convert to fraction form
    14,286.24/19,714.56 = 7,913.04/x
  3. Step 3: Cross multiply
    14,286.24x = 19,714.56 × 7,913.04
  4. Step 4: Simplify right side
    14,286.24x = 156,002,101.86
  5. Step 5: Solve for x
    x = 156,002,101.86/14,286.24
  6. Step 6: Final answer
    x = 10,919.75

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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.