Home / 13,332.98-18,399.39-7,365.06

Finding the Fourth Proportional to 13,332.98, 18,399.39 and 7,365.06

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Solution

The fourth proportional to 13,332.98, 18,399.39 and 7,365.06 is: 10,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.98 : 18,399.39 = 7,365.06 : x
  2. Step 2: Convert to fraction form
    13,332.98/18,399.39 = 7,365.06/x
  3. Step 3: Cross multiply
    13,332.98x = 18,399.39 × 7,365.06
  4. Step 4: Simplify right side
    13,332.98x = 135,512,611.31
  5. Step 5: Solve for x
    x = 135,512,611.31/13,332.98
  6. Step 6: Final answer
    x = 10,163.72

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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.