Home / 9,538.48-13,163.12-5,346.72

Finding the Fourth Proportional to 9,538.48, 13,163.12 and 5,346.72

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Solution

The fourth proportional to 9,538.48, 13,163.12 and 5,346.72 is: 7,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.48 : 13,163.12 = 5,346.72 : x
  2. Step 2: Convert to fraction form
    9,538.48/13,163.12 = 5,346.72/x
  3. Step 3: Cross multiply
    9,538.48x = 13,163.12 × 5,346.72
  4. Step 4: Simplify right side
    9,538.48x = 70,379,516.97
  5. Step 5: Solve for x
    x = 70,379,516.97/9,538.48
  6. Step 6: Final answer
    x = 7,378.48

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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.