Home / 21,459.92-32,198.52-7,618.64

Finding the Fourth Proportional to 21,459.92, 32,198.52 and 7,618.64

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Solution

The fourth proportional to 21,459.92, 32,198.52 and 7,618.64 is: 11,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.92 : 32,198.52 = 7,618.64 : x
  2. Step 2: Convert to fraction form
    21,459.92/32,198.52 = 7,618.64/x
  3. Step 3: Cross multiply
    21,459.92x = 32,198.52 × 7,618.64
  4. Step 4: Simplify right side
    21,459.92x = 245,308,932.41
  5. Step 5: Solve for x
    x = 245,308,932.41/21,459.92
  6. Step 6: Final answer
    x = 11,431.03

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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.