Home / 9,534.14-13,157.89-5,286.53

Finding the Fourth Proportional to 9,534.14, 13,157.89 and 5,286.53

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Solution

The fourth proportional to 9,534.14, 13,157.89 and 5,286.53 is: 7,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.14 : 13,157.89 = 5,286.53 : x
  2. Step 2: Convert to fraction form
    9,534.14/13,157.89 = 5,286.53/x
  3. Step 3: Cross multiply
    9,534.14x = 13,157.89 × 5,286.53
  4. Step 4: Simplify right side
    9,534.14x = 69,559,629.64
  5. Step 5: Solve for x
    x = 69,559,629.64/9,534.14
  6. Step 6: Final answer
    x = 7,295.85

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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.