Home / 13,236.84-19,855.26-6,290.28

Finding the Fourth Proportional to 13,236.84, 19,855.26 and 6,290.28

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Solution

The fourth proportional to 13,236.84, 19,855.26 and 6,290.28 is: 9,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.84 : 19,855.26 = 6,290.28 : x
  2. Step 2: Convert to fraction form
    13,236.84/19,855.26 = 6,290.28/x
  3. Step 3: Cross multiply
    13,236.84x = 19,855.26 × 6,290.28
  4. Step 4: Simplify right side
    13,236.84x = 124,895,144.87
  5. Step 5: Solve for x
    x = 124,895,144.87/13,236.84
  6. Step 6: Final answer
    x = 9,435.42

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Similar ratio
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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.