Home / 21,380.44-32,073.68-6,590.56

Finding the Fourth Proportional to 21,380.44, 32,073.68 and 6,590.56

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Solution

The fourth proportional to 21,380.44, 32,073.68 and 6,590.56 is: 9,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.44 : 32,073.68 = 6,590.56 : x
  2. Step 2: Convert to fraction form
    21,380.44/32,073.68 = 6,590.56/x
  3. Step 3: Cross multiply
    21,380.44x = 32,073.68 × 6,590.56
  4. Step 4: Simplify right side
    21,380.44x = 211,383,512.46
  5. Step 5: Solve for x
    x = 211,383,512.46/21,380.44
  6. Step 6: Final answer
    x = 9,886.77

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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.