Home / 13,367.37-18,447.46-7,318.03

Finding the Fourth Proportional to 13,367.37, 18,447.46 and 7,318.03

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Solution

The fourth proportional to 13,367.37, 18,447.46 and 7,318.03 is: 10,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.37 : 18,447.46 = 7,318.03 : x
  2. Step 2: Convert to fraction form
    13,367.37/18,447.46 = 7,318.03/x
  3. Step 3: Cross multiply
    13,367.37x = 18,447.46 × 7,318.03
  4. Step 4: Simplify right side
    13,367.37x = 134,999,065.70
  5. Step 5: Solve for x
    x = 134,999,065.70/13,367.37
  6. Step 6: Final answer
    x = 10,099.15

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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.