Home / 9,413.19-14,119.79-4,215.42

Finding the Fourth Proportional to 9,413.19, 14,119.79 and 4,215.42

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Solution

The fourth proportional to 9,413.19, 14,119.79 and 4,215.42 is: 6,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.19 : 14,119.79 = 4,215.42 : x
  2. Step 2: Convert to fraction form
    9,413.19/14,119.79 = 4,215.42/x
  3. Step 3: Cross multiply
    9,413.19x = 14,119.79 × 4,215.42
  4. Step 4: Simplify right side
    9,413.19x = 59,520,824.08
  5. Step 5: Solve for x
    x = 59,520,824.08/9,413.19
  6. Step 6: Final answer
    x = 6,323.13

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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.