Home / 9,538.68-13,163.40-5,346.96

Finding the Fourth Proportional to 9,538.68, 13,163.40 and 5,346.96

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Solution

The fourth proportional to 9,538.68, 13,163.40 and 5,346.96 is: 7,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.68 : 13,163.40 = 5,346.96 : x
  2. Step 2: Convert to fraction form
    9,538.68/13,163.40 = 5,346.96/x
  3. Step 3: Cross multiply
    9,538.68x = 13,163.40 × 5,346.96
  4. Step 4: Simplify right side
    9,538.68x = 70,384,173.26
  5. Step 5: Solve for x
    x = 70,384,173.26/9,538.68
  6. Step 6: Final answer
    x = 7,378.82

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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.