Home / 19,419.60-26,789.88-11,456.52

Finding the Fourth Proportional to 19,419.60, 26,789.88 and 11,456.52

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Solution

The fourth proportional to 19,419.60, 26,789.88 and 11,456.52 is: 15,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.60 : 26,789.88 = 11,456.52 : x
  2. Step 2: Convert to fraction form
    19,419.60/26,789.88 = 11,456.52/x
  3. Step 3: Cross multiply
    19,419.60x = 26,789.88 × 11,456.52
  4. Step 4: Simplify right side
    19,419.60x = 306,918,796.02
  5. Step 5: Solve for x
    x = 306,918,796.02/19,419.60
  6. Step 6: Final answer
    x = 15,804.59

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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.