Home / 9,543.12-13,169.46-5,351.37

Finding the Fourth Proportional to 9,543.12, 13,169.46 and 5,351.37

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Solution

The fourth proportional to 9,543.12, 13,169.46 and 5,351.37 is: 7,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.12 : 13,169.46 = 5,351.37 : x
  2. Step 2: Convert to fraction form
    9,543.12/13,169.46 = 5,351.37/x
  3. Step 3: Cross multiply
    9,543.12x = 13,169.46 × 5,351.37
  4. Step 4: Simplify right side
    9,543.12x = 70,474,653.16
  5. Step 5: Solve for x
    x = 70,474,653.16/9,543.12
  6. Step 6: Final answer
    x = 7,384.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.