Home / 13,286.01-18,334.46-7,318.23

Finding the Fourth Proportional to 13,286.01, 18,334.46 and 7,318.23

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Solution

The fourth proportional to 13,286.01, 18,334.46 and 7,318.23 is: 10,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.01 : 18,334.46 = 7,318.23 : x
  2. Step 2: Convert to fraction form
    13,286.01/18,334.46 = 7,318.23/x
  3. Step 3: Cross multiply
    13,286.01x = 18,334.46 × 7,318.23
  4. Step 4: Simplify right side
    13,286.01x = 134,175,795.21
  5. Step 5: Solve for x
    x = 134,175,795.21/13,286.01
  6. Step 6: Final answer
    x = 10,099.03

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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.