Home / 14,286.42-19,714.32-7,997.58

Finding the Fourth Proportional to 14,286.42, 19,714.32 and 7,997.58

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Solution

The fourth proportional to 14,286.42, 19,714.32 and 7,997.58 is: 11,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.42 : 19,714.32 = 7,997.58 : x
  2. Step 2: Convert to fraction form
    14,286.42/19,714.32 = 7,997.58/x
  3. Step 3: Cross multiply
    14,286.42x = 19,714.32 × 7,997.58
  4. Step 4: Simplify right side
    14,286.42x = 157,666,851.35
  5. Step 5: Solve for x
    x = 157,666,851.35/14,286.42
  6. Step 6: Final answer
    x = 11,036.13

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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.