Home / 15,544.15-21,413.39-12,844.11

Finding the Fourth Proportional to 15,544.15, 21,413.39 and 12,844.11

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Solution

The fourth proportional to 15,544.15, 21,413.39 and 12,844.11 is: 17,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.15 : 21,413.39 = 12,844.11 : x
  2. Step 2: Convert to fraction form
    15,544.15/21,413.39 = 12,844.11/x
  3. Step 3: Cross multiply
    15,544.15x = 21,413.39 × 12,844.11
  4. Step 4: Simplify right side
    15,544.15x = 275,035,936.63
  5. Step 5: Solve for x
    x = 275,035,936.63/15,544.15
  6. Step 6: Final answer
    x = 17,693.86

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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.