Home / 9,236.50-13,857.70-3,309.39

Finding the Fourth Proportional to 9,236.50, 13,857.70 and 3,309.39

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Solution

The fourth proportional to 9,236.50, 13,857.70 and 3,309.39 is: 4,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.50 : 13,857.70 = 3,309.39 : x
  2. Step 2: Convert to fraction form
    9,236.50/13,857.70 = 3,309.39/x
  3. Step 3: Cross multiply
    9,236.50x = 13,857.70 × 3,309.39
  4. Step 4: Simplify right side
    9,236.50x = 45,860,464.51
  5. Step 5: Solve for x
    x = 45,860,464.51/9,236.50
  6. Step 6: Final answer
    x = 4,965.13

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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.