Home / 12,482.82-17,226.35-6,817.48

Finding the Fourth Proportional to 12,482.82, 17,226.35 and 6,817.48

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Solution

The fourth proportional to 12,482.82, 17,226.35 and 6,817.48 is: 9,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.82 : 17,226.35 = 6,817.48 : x
  2. Step 2: Convert to fraction form
    12,482.82/17,226.35 = 6,817.48/x
  3. Step 3: Cross multiply
    12,482.82x = 17,226.35 × 6,817.48
  4. Step 4: Simplify right side
    12,482.82x = 117,440,219.44
  5. Step 5: Solve for x
    x = 117,440,219.44/12,482.82
  6. Step 6: Final answer
    x = 9,408.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.