Home / 9,351.20-14,016.36-7,168.88

Finding the Fourth Proportional to 9,351.20, 14,016.36 and 7,168.88

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Solution

The fourth proportional to 9,351.20, 14,016.36 and 7,168.88 is: 10,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351.20 : 14,016.36 = 7,168.88 : x
  2. Step 2: Convert to fraction form
    9,351.20/14,016.36 = 7,168.88/x
  3. Step 3: Cross multiply
    9,351.20x = 14,016.36 × 7,168.88
  4. Step 4: Simplify right side
    9,351.20x = 100,481,602.88
  5. Step 5: Solve for x
    x = 100,481,602.88/9,351.20
  6. Step 6: Final answer
    x = 10,745.32

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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.