Home / 21,544.62-32,316.68-8,406.21

Finding the Fourth Proportional to 21,544.62, 32,316.68 and 8,406.21

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Solution

The fourth proportional to 21,544.62, 32,316.68 and 8,406.21 is: 12,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.62 : 32,316.68 = 8,406.21 : x
  2. Step 2: Convert to fraction form
    21,544.62/32,316.68 = 8,406.21/x
  3. Step 3: Cross multiply
    21,544.62x = 32,316.68 × 8,406.21
  4. Step 4: Simplify right side
    21,544.62x = 271,660,798.58
  5. Step 5: Solve for x
    x = 271,660,798.58/21,544.62
  6. Step 6: Final answer
    x = 12,609.22

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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.