Home / 18,263.07-27,397.64-6,413.78

Finding the Fourth Proportional to 18,263.07, 27,397.64 and 6,413.78

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Solution

The fourth proportional to 18,263.07, 27,397.64 and 6,413.78 is: 9,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.07 : 27,397.64 = 6,413.78 : x
  2. Step 2: Convert to fraction form
    18,263.07/27,397.64 = 6,413.78/x
  3. Step 3: Cross multiply
    18,263.07x = 27,397.64 × 6,413.78
  4. Step 4: Simplify right side
    18,263.07x = 175,722,266.42
  5. Step 5: Solve for x
    x = 175,722,266.42/18,263.07
  6. Step 6: Final answer
    x = 9,621.73

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1.5x scale

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.