Home / 20,714.38-31,068.32-6,863.38

Finding the Fourth Proportional to 20,714.38, 31,068.32 and 6,863.38

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Solution

The fourth proportional to 20,714.38, 31,068.32 and 6,863.38 is: 10,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.38 : 31,068.32 = 6,863.38 : x
  2. Step 2: Convert to fraction form
    20,714.38/31,068.32 = 6,863.38/x
  3. Step 3: Cross multiply
    20,714.38x = 31,068.32 × 6,863.38
  4. Step 4: Simplify right side
    20,714.38x = 213,233,686.12
  5. Step 5: Solve for x
    x = 213,233,686.12/20,714.38
  6. Step 6: Final answer
    x = 10,293.99

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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.