Home / 19,408.14-26,779.86-11,449.26

Finding the Fourth Proportional to 19,408.14, 26,779.86 and 11,449.26

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Solution

The fourth proportional to 19,408.14, 26,779.86 and 11,449.26 is: 15,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.14 : 26,779.86 = 11,449.26 : x
  2. Step 2: Convert to fraction form
    19,408.14/26,779.86 = 11,449.26/x
  3. Step 3: Cross multiply
    19,408.14x = 26,779.86 × 11,449.26
  4. Step 4: Simplify right side
    19,408.14x = 306,609,579.90
  5. Step 5: Solve for x
    x = 306,609,579.90/19,408.14
  6. Step 6: Final answer
    x = 15,797.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.