Home / 10,396.58-15,585.62-3,821.23

Finding the Fourth Proportional to 10,396.58, 15,585.62 and 3,821.23

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Solution

The fourth proportional to 10,396.58, 15,585.62 and 3,821.23 is: 5,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.58 : 15,585.62 = 3,821.23 : x
  2. Step 2: Convert to fraction form
    10,396.58/15,585.62 = 3,821.23/x
  3. Step 3: Cross multiply
    10,396.58x = 15,585.62 × 3,821.23
  4. Step 4: Simplify right side
    10,396.58x = 59,556,238.71
  5. Step 5: Solve for x
    x = 59,556,238.71/10,396.58
  6. Step 6: Final answer
    x = 5,728.45

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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.