Home / 13,326.52-18,415.02-11,552.44

Finding the Fourth Proportional to 13,326.52, 18,415.02 and 11,552.44

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Solution

The fourth proportional to 13,326.52, 18,415.02 and 11,552.44 is: 15,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.52 : 18,415.02 = 11,552.44 : x
  2. Step 2: Convert to fraction form
    13,326.52/18,415.02 = 11,552.44/x
  3. Step 3: Cross multiply
    13,326.52x = 18,415.02 × 11,552.44
  4. Step 4: Simplify right side
    13,326.52x = 212,738,413.65
  5. Step 5: Solve for x
    x = 212,738,413.65/13,326.52
  6. Step 6: Final answer
    x = 15,963.54

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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.