Home / 12,736.19-19,083.53-7,795.46

Finding the Fourth Proportional to 12,736.19, 19,083.53 and 7,795.46

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Solution

The fourth proportional to 12,736.19, 19,083.53 and 7,795.46 is: 11,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.19 : 19,083.53 = 7,795.46 : x
  2. Step 2: Convert to fraction form
    12,736.19/19,083.53 = 7,795.46/x
  3. Step 3: Cross multiply
    12,736.19x = 19,083.53 × 7,795.46
  4. Step 4: Simplify right side
    12,736.19x = 148,764,760.38
  5. Step 5: Solve for x
    x = 148,764,760.38/12,736.19
  6. Step 6: Final answer
    x = 11,680.48

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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.