Home / 19,427.40-29,097.36-11,619.90

Finding the Fourth Proportional to 19,427.40, 29,097.36 and 11,619.90

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Solution

The fourth proportional to 19,427.40, 29,097.36 and 11,619.90 is: 17,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.40 : 29,097.36 = 11,619.90 : x
  2. Step 2: Convert to fraction form
    19,427.40/29,097.36 = 11,619.90/x
  3. Step 3: Cross multiply
    19,427.40x = 29,097.36 × 11,619.90
  4. Step 4: Simplify right side
    19,427.40x = 338,108,413.46
  5. Step 5: Solve for x
    x = 338,108,413.46/19,427.40
  6. Step 6: Final answer
    x = 17,403.69

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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.