Home / 21,512.43-32,267.46-6,719.64

Finding the Fourth Proportional to 21,512.43, 32,267.46 and 6,719.64

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Solution

The fourth proportional to 21,512.43, 32,267.46 and 6,719.64 is: 10,079.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.43 : 32,267.46 = 6,719.64 : x
  2. Step 2: Convert to fraction form
    21,512.43/32,267.46 = 6,719.64/x
  3. Step 3: Cross multiply
    21,512.43x = 32,267.46 × 6,719.64
  4. Step 4: Simplify right side
    21,512.43x = 216,825,714.91
  5. Step 5: Solve for x
    x = 216,825,714.91/21,512.43
  6. Step 6: Final answer
    x = 10,079.09

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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.