Home / 17,619.42-26,409.99-8,253.60

Finding the Fourth Proportional to 17,619.42, 26,409.99 and 8,253.60

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Solution

The fourth proportional to 17,619.42, 26,409.99 and 8,253.60 is: 12,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.42 : 26,409.99 = 8,253.60 : x
  2. Step 2: Convert to fraction form
    17,619.42/26,409.99 = 8,253.60/x
  3. Step 3: Cross multiply
    17,619.42x = 26,409.99 × 8,253.60
  4. Step 4: Simplify right side
    17,619.42x = 217,977,493.46
  5. Step 5: Solve for x
    x = 217,977,493.46/17,619.42
  6. Step 6: Final answer
    x = 12,371.43

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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.