Home / 9,356.31-13,999.23-8,855.73

Finding the Fourth Proportional to 9,356.31, 13,999.23 and 8,855.73

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Solution

The fourth proportional to 9,356.31, 13,999.23 and 8,855.73 is: 13,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.31 : 13,999.23 = 8,855.73 : x
  2. Step 2: Convert to fraction form
    9,356.31/13,999.23 = 8,855.73/x
  3. Step 3: Cross multiply
    9,356.31x = 13,999.23 × 8,855.73
  4. Step 4: Simplify right side
    9,356.31x = 123,973,401.09
  5. Step 5: Solve for x
    x = 123,973,401.09/9,356.31
  6. Step 6: Final answer
    x = 13,250.25

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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.