Home / 13,329.36-18,394.45-7,361.00

Finding the Fourth Proportional to 13,329.36, 18,394.45 and 7,361.00

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Solution

The fourth proportional to 13,329.36, 18,394.45 and 7,361.00 is: 10,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.36 : 18,394.45 = 7,361.00 : x
  2. Step 2: Convert to fraction form
    13,329.36/18,394.45 = 7,361.00/x
  3. Step 3: Cross multiply
    13,329.36x = 18,394.45 × 7,361.00
  4. Step 4: Simplify right side
    13,329.36x = 135,401,608.55
  5. Step 5: Solve for x
    x = 135,401,608.55/13,329.36
  6. Step 6: Final answer
    x = 10,158.15

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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.