Home / 10,381.80-15,571.08-3,804.60

Finding the Fourth Proportional to 10,381.80, 15,571.08 and 3,804.60

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Solution

The fourth proportional to 10,381.80, 15,571.08 and 3,804.60 is: 5,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.80 : 15,571.08 = 3,804.60 : x
  2. Step 2: Convert to fraction form
    10,381.80/15,571.08 = 3,804.60/x
  3. Step 3: Cross multiply
    10,381.80x = 15,571.08 × 3,804.60
  4. Step 4: Simplify right side
    10,381.80x = 59,241,730.97
  5. Step 5: Solve for x
    x = 59,241,730.97/10,381.80
  6. Step 6: Final answer
    x = 5,706.31

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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.