Home / 17,628.98-26,431.63-6,945.57

Finding the Fourth Proportional to 17,628.98, 26,431.63 and 6,945.57

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Solution

The fourth proportional to 17,628.98, 26,431.63 and 6,945.57 is: 10,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.98 : 26,431.63 = 6,945.57 : x
  2. Step 2: Convert to fraction form
    17,628.98/26,431.63 = 6,945.57/x
  3. Step 3: Cross multiply
    17,628.98x = 26,431.63 × 6,945.57
  4. Step 4: Simplify right side
    17,628.98x = 183,582,736.38
  5. Step 5: Solve for x
    x = 183,582,736.38/17,628.98
  6. Step 6: Final answer
    x = 10,413.69

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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.