Home / 19,611.82-29,417.68-8,517.07

Finding the Fourth Proportional to 19,611.82, 29,417.68 and 8,517.07

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Solution

The fourth proportional to 19,611.82, 29,417.68 and 8,517.07 is: 12,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.82 : 29,417.68 = 8,517.07 : x
  2. Step 2: Convert to fraction form
    19,611.82/29,417.68 = 8,517.07/x
  3. Step 3: Cross multiply
    19,611.82x = 29,417.68 × 8,517.07
  4. Step 4: Simplify right side
    19,611.82x = 250,552,439.80
  5. Step 5: Solve for x
    x = 250,552,439.80/19,611.82
  6. Step 6: Final answer
    x = 12,775.58

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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.