Home / 18,176.13-27,278.91-9,413.55

Finding the Fourth Proportional to 18,176.13, 27,278.91 and 9,413.55

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Solution

The fourth proportional to 18,176.13, 27,278.91 and 9,413.55 is: 14,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.13 : 27,278.91 = 9,413.55 : x
  2. Step 2: Convert to fraction form
    18,176.13/27,278.91 = 9,413.55/x
  3. Step 3: Cross multiply
    18,176.13x = 27,278.91 × 9,413.55
  4. Step 4: Simplify right side
    18,176.13x = 256,791,383.23
  5. Step 5: Solve for x
    x = 256,791,383.23/18,176.13
  6. Step 6: Final answer
    x = 14,127.95

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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.