Home / 9,128.80-13,675.43-5,999.37

Finding the Fourth Proportional to 9,128.80, 13,675.43 and 5,999.37

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Solution

The fourth proportional to 9,128.80, 13,675.43 and 5,999.37 is: 8,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.80 : 13,675.43 = 5,999.37 : x
  2. Step 2: Convert to fraction form
    9,128.80/13,675.43 = 5,999.37/x
  3. Step 3: Cross multiply
    9,128.80x = 13,675.43 × 5,999.37
  4. Step 4: Simplify right side
    9,128.80x = 82,043,928.19
  5. Step 5: Solve for x
    x = 82,043,928.19/9,128.80
  6. Step 6: Final answer
    x = 8,987.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.