Home / 10,412.74-15,621.36-3,838.96

Finding the Fourth Proportional to 10,412.74, 15,621.36 and 3,838.96

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Solution

The fourth proportional to 10,412.74, 15,621.36 and 3,838.96 is: 5,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.74 : 15,621.36 = 3,838.96 : x
  2. Step 2: Convert to fraction form
    10,412.74/15,621.36 = 3,838.96/x
  3. Step 3: Cross multiply
    10,412.74x = 15,621.36 × 3,838.96
  4. Step 4: Simplify right side
    10,412.74x = 59,969,776.19
  5. Step 5: Solve for x
    x = 59,969,776.19/10,412.74
  6. Step 6: Final answer
    x = 5,759.27

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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.