Home / 9,745.65-13,449.01-5,269.44

Finding the Fourth Proportional to 9,745.65, 13,449.01 and 5,269.44

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Solution

The fourth proportional to 9,745.65, 13,449.01 and 5,269.44 is: 7,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.65 : 13,449.01 = 5,269.44 : x
  2. Step 2: Convert to fraction form
    9,745.65/13,449.01 = 5,269.44/x
  3. Step 3: Cross multiply
    9,745.65x = 13,449.01 × 5,269.44
  4. Step 4: Simplify right side
    9,745.65x = 70,868,751.25
  5. Step 5: Solve for x
    x = 70,868,751.25/9,745.65
  6. Step 6: Final answer
    x = 7,271.83

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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.