Home / 17,575.08-26,359.82-8,221.60

Finding the Fourth Proportional to 17,575.08, 26,359.82 and 8,221.60

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Solution

The fourth proportional to 17,575.08, 26,359.82 and 8,221.60 is: 12,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,575.08 : 26,359.82 = 8,221.60 : x
  2. Step 2: Convert to fraction form
    17,575.08/26,359.82 = 8,221.60/x
  3. Step 3: Cross multiply
    17,575.08x = 26,359.82 × 8,221.60
  4. Step 4: Simplify right side
    17,575.08x = 216,719,896.11
  5. Step 5: Solve for x
    x = 216,719,896.11/17,575.08
  6. Step 6: Final answer
    x = 12,331.09

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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.