Home / 13,235.13-19,836.70-4,912.38

Finding the Fourth Proportional to 13,235.13, 19,836.70 and 4,912.38

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Solution

The fourth proportional to 13,235.13, 19,836.70 and 4,912.38 is: 7,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.13 : 19,836.70 = 4,912.38 : x
  2. Step 2: Convert to fraction form
    13,235.13/19,836.70 = 4,912.38/x
  3. Step 3: Cross multiply
    13,235.13x = 19,836.70 × 4,912.38
  4. Step 4: Simplify right side
    13,235.13x = 97,445,396.07
  5. Step 5: Solve for x
    x = 97,445,396.07/13,235.13
  6. Step 6: Final answer
    x = 7,362.63

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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.