Home / 9,413.10-14,117.40-5,455.80

Finding the Fourth Proportional to 9,413.10, 14,117.40 and 5,455.80

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Solution

The fourth proportional to 9,413.10, 14,117.40 and 5,455.80 is: 8,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.10 : 14,117.40 = 5,455.80 : x
  2. Step 2: Convert to fraction form
    9,413.10/14,117.40 = 5,455.80/x
  3. Step 3: Cross multiply
    9,413.10x = 14,117.40 × 5,455.80
  4. Step 4: Simplify right side
    9,413.10x = 77,021,710.92
  5. Step 5: Solve for x
    x = 77,021,710.92/9,413.10
  6. Step 6: Final answer
    x = 8,182.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.