Home / 21,544.52-32,316.54-8,406.12

Finding the Fourth Proportional to 21,544.52, 32,316.54 and 8,406.12

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Solution

The fourth proportional to 21,544.52, 32,316.54 and 8,406.12 is: 12,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.52 : 32,316.54 = 8,406.12 : x
  2. Step 2: Convert to fraction form
    21,544.52/32,316.54 = 8,406.12/x
  3. Step 3: Cross multiply
    21,544.52x = 32,316.54 × 8,406.12
  4. Step 4: Simplify right side
    21,544.52x = 271,656,713.22
  5. Step 5: Solve for x
    x = 271,656,713.22/21,544.52
  6. Step 6: Final answer
    x = 12,609.09

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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.