Home / 21,544.14-32,324.45-8,405.67

Finding the Fourth Proportional to 21,544.14, 32,324.45 and 8,405.67

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Solution

The fourth proportional to 21,544.14, 32,324.45 and 8,405.67 is: 12,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.14 : 32,324.45 = 8,405.67 : x
  2. Step 2: Convert to fraction form
    21,544.14/32,324.45 = 8,405.67/x
  3. Step 3: Cross multiply
    21,544.14x = 32,324.45 × 8,405.67
  4. Step 4: Simplify right side
    21,544.14x = 271,708,659.63
  5. Step 5: Solve for x
    x = 271,708,659.63/21,544.14
  6. Step 6: Final answer
    x = 12,611.72

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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.