Home / 21,465.62-32,207.70-11,611.83

Finding the Fourth Proportional to 21,465.62, 32,207.70 and 11,611.83

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Solution

The fourth proportional to 21,465.62, 32,207.70 and 11,611.83 is: 17,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.62 : 32,207.70 = 11,611.83 : x
  2. Step 2: Convert to fraction form
    21,465.62/32,207.70 = 11,611.83/x
  3. Step 3: Cross multiply
    21,465.62x = 32,207.70 × 11,611.83
  4. Step 4: Simplify right side
    21,465.62x = 373,990,388.58
  5. Step 5: Solve for x
    x = 373,990,388.58/21,465.62
  6. Step 6: Final answer
    x = 17,422.76

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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.