Home / 19,625.33-29,430.06-7,611.15

Finding the Fourth Proportional to 19,625.33, 29,430.06 and 7,611.15

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Solution

The fourth proportional to 19,625.33, 29,430.06 and 7,611.15 is: 11,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.33 : 29,430.06 = 7,611.15 : x
  2. Step 2: Convert to fraction form
    19,625.33/29,430.06 = 7,611.15/x
  3. Step 3: Cross multiply
    19,625.33x = 29,430.06 × 7,611.15
  4. Step 4: Simplify right side
    19,625.33x = 223,996,693.77
  5. Step 5: Solve for x
    x = 223,996,693.77/19,625.33
  6. Step 6: Final answer
    x = 11,413.66

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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.