Home / 36,413.07-54,622.08-12,387.60

Finding the Fourth Proportional to 36,413.07, 54,622.08 and 12,387.60

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Solution

The fourth proportional to 36,413.07, 54,622.08 and 12,387.60 is: 18,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,413.07 : 54,622.08 = 12,387.60 : x
  2. Step 2: Convert to fraction form
    36,413.07/54,622.08 = 12,387.60/x
  3. Step 3: Cross multiply
    36,413.07x = 54,622.08 × 12,387.60
  4. Step 4: Simplify right side
    36,413.07x = 676,636,143.16
  5. Step 5: Solve for x
    x = 676,636,143.16/36,413.07
  6. Step 6: Final answer
    x = 18,582.23

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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.