Home / 19,696.03-29,561.12-10,342.65

Finding the Fourth Proportional to 19,696.03, 29,561.12 and 10,342.65

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Solution

The fourth proportional to 19,696.03, 29,561.12 and 10,342.65 is: 15,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.03 : 29,561.12 = 10,342.65 : x
  2. Step 2: Convert to fraction form
    19,696.03/29,561.12 = 10,342.65/x
  3. Step 3: Cross multiply
    19,696.03x = 29,561.12 × 10,342.65
  4. Step 4: Simplify right side
    19,696.03x = 305,740,415.69
  5. Step 5: Solve for x
    x = 305,740,415.69/19,696.03
  6. Step 6: Final answer
    x = 15,522.95

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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.