Home / 19,611.68-29,393.40-9,067.42

Finding the Fourth Proportional to 19,611.68, 29,393.40 and 9,067.42

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Solution

The fourth proportional to 19,611.68, 29,393.40 and 9,067.42 is: 13,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.68 : 29,393.40 = 9,067.42 : x
  2. Step 2: Convert to fraction form
    19,611.68/29,393.40 = 9,067.42/x
  3. Step 3: Cross multiply
    19,611.68x = 29,393.40 × 9,067.42
  4. Step 4: Simplify right side
    19,611.68x = 266,522,303.03
  5. Step 5: Solve for x
    x = 266,522,303.03/19,611.68
  6. Step 6: Final answer
    x = 13,589.98

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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.