Home / 19,403.26-26,779.72-11,447.44

Finding the Fourth Proportional to 19,403.26, 26,779.72 and 11,447.44

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Solution

The fourth proportional to 19,403.26, 26,779.72 and 11,447.44 is: 15,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.26 : 26,779.72 = 11,447.44 : x
  2. Step 2: Convert to fraction form
    19,403.26/26,779.72 = 11,447.44/x
  3. Step 3: Cross multiply
    19,403.26x = 26,779.72 × 11,447.44
  4. Step 4: Simplify right side
    19,403.26x = 306,559,237.92
  5. Step 5: Solve for x
    x = 306,559,237.92/19,403.26
  6. Step 6: Final answer
    x = 15,799.37

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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.