Home / 13,329.53-18,394.16-7,361.07

Finding the Fourth Proportional to 13,329.53, 18,394.16 and 7,361.07

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Solution

The fourth proportional to 13,329.53, 18,394.16 and 7,361.07 is: 10,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.53 : 18,394.16 = 7,361.07 : x
  2. Step 2: Convert to fraction form
    13,329.53/18,394.16 = 7,361.07/x
  3. Step 3: Cross multiply
    13,329.53x = 18,394.16 × 7,361.07
  4. Step 4: Simplify right side
    13,329.53x = 135,400,717.75
  5. Step 5: Solve for x
    x = 135,400,717.75/13,329.53
  6. Step 6: Final answer
    x = 10,157.96

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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.