Home / 17,611.56-26,419.64-9,291.92

Finding the Fourth Proportional to 17,611.56, 26,419.64 and 9,291.92

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Solution

The fourth proportional to 17,611.56, 26,419.64 and 9,291.92 is: 13,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.56 : 26,419.64 = 9,291.92 : x
  2. Step 2: Convert to fraction form
    17,611.56/26,419.64 = 9,291.92/x
  3. Step 3: Cross multiply
    17,611.56x = 26,419.64 × 9,291.92
  4. Step 4: Simplify right side
    17,611.56x = 245,489,181.31
  5. Step 5: Solve for x
    x = 245,489,181.31/17,611.56
  6. Step 6: Final answer
    x = 13,939.09

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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.