Home / 21,446.82-32,170.14-9,760.86

Finding the Fourth Proportional to 21,446.82, 32,170.14 and 9,760.86

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Solution

The fourth proportional to 21,446.82, 32,170.14 and 9,760.86 is: 14,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.82 : 32,170.14 = 9,760.86 : x
  2. Step 2: Convert to fraction form
    21,446.82/32,170.14 = 9,760.86/x
  3. Step 3: Cross multiply
    21,446.82x = 32,170.14 × 9,760.86
  4. Step 4: Simplify right side
    21,446.82x = 314,008,232.72
  5. Step 5: Solve for x
    x = 314,008,232.72/21,446.82
  6. Step 6: Final answer
    x = 14,641.25

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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.