Home / 9,413.81-12,983.79-6,895.01

Finding the Fourth Proportional to 9,413.81, 12,983.79 and 6,895.01

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Solution

The fourth proportional to 9,413.81, 12,983.79 and 6,895.01 is: 9,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.81 : 12,983.79 = 6,895.01 : x
  2. Step 2: Convert to fraction form
    9,413.81/12,983.79 = 6,895.01/x
  3. Step 3: Cross multiply
    9,413.81x = 12,983.79 × 6,895.01
  4. Step 4: Simplify right side
    9,413.81x = 89,523,296.97
  5. Step 5: Solve for x
    x = 89,523,296.97/9,413.81
  6. Step 6: Final answer
    x = 9,509.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.