Home / 10,405.23-15,600.56-3,830.57

Finding the Fourth Proportional to 10,405.23, 15,600.56 and 3,830.57

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Solution

The fourth proportional to 10,405.23, 15,600.56 and 3,830.57 is: 5,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.23 : 15,600.56 = 3,830.57 : x
  2. Step 2: Convert to fraction form
    10,405.23/15,600.56 = 3,830.57/x
  3. Step 3: Cross multiply
    10,405.23x = 15,600.56 × 3,830.57
  4. Step 4: Simplify right side
    10,405.23x = 59,758,949.54
  5. Step 5: Solve for x
    x = 59,758,949.54/10,405.23
  6. Step 6: Final answer
    x = 5,743.16

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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.