Home / 12,670.22-19,005.33-3,905.14

Finding the Fourth Proportional to 12,670.22, 19,005.33 and 3,905.14

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Solution

The fourth proportional to 12,670.22, 19,005.33 and 3,905.14 is: 5,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.22 : 19,005.33 = 3,905.14 : x
  2. Step 2: Convert to fraction form
    12,670.22/19,005.33 = 3,905.14/x
  3. Step 3: Cross multiply
    12,670.22x = 19,005.33 × 3,905.14
  4. Step 4: Simplify right side
    12,670.22x = 74,218,474.40
  5. Step 5: Solve for x
    x = 74,218,474.40/12,670.22
  6. Step 6: Final answer
    x = 5,857.71

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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.