Home / 9,937.26-13,712.94-5,745.60

Finding the Fourth Proportional to 9,937.26, 13,712.94 and 5,745.60

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Solution

The fourth proportional to 9,937.26, 13,712.94 and 5,745.60 is: 7,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.26 : 13,712.94 = 5,745.60 : x
  2. Step 2: Convert to fraction form
    9,937.26/13,712.94 = 5,745.60/x
  3. Step 3: Cross multiply
    9,937.26x = 13,712.94 × 5,745.60
  4. Step 4: Simplify right side
    9,937.26x = 78,789,068.06
  5. Step 5: Solve for x
    x = 78,789,068.06/9,937.26
  6. Step 6: Final answer
    x = 7,928.65

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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.