Home / 13,305.84-19,958.64-3,310.60

Finding the Fourth Proportional to 13,305.84, 19,958.64 and 3,310.60

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Solution

The fourth proportional to 13,305.84, 19,958.64 and 3,310.60 is: 4,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.84 : 19,958.64 = 3,310.60 : x
  2. Step 2: Convert to fraction form
    13,305.84/19,958.64 = 3,310.60/x
  3. Step 3: Cross multiply
    13,305.84x = 19,958.64 × 3,310.60
  4. Step 4: Simplify right side
    13,305.84x = 66,075,073.58
  5. Step 5: Solve for x
    x = 66,075,073.58/13,305.84
  6. Step 6: Final answer
    x = 4,965.87

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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.