Home / 19,422.77-29,129.93-6,943.66

Finding the Fourth Proportional to 19,422.77, 29,129.93 and 6,943.66

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Solution

The fourth proportional to 19,422.77, 29,129.93 and 6,943.66 is: 10,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.77 : 29,129.93 = 6,943.66 : x
  2. Step 2: Convert to fraction form
    19,422.77/29,129.93 = 6,943.66/x
  3. Step 3: Cross multiply
    19,422.77x = 29,129.93 × 6,943.66
  4. Step 4: Simplify right side
    19,422.77x = 202,268,222.20
  5. Step 5: Solve for x
    x = 202,268,222.20/19,422.77
  6. Step 6: Final answer
    x = 10,413.98

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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.