Home / 10,271.90-15,409.62-3,251.81

Finding the Fourth Proportional to 10,271.90, 15,409.62 and 3,251.81

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Solution

The fourth proportional to 10,271.90, 15,409.62 and 3,251.81 is: 4,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.90 : 15,409.62 = 3,251.81 : x
  2. Step 2: Convert to fraction form
    10,271.90/15,409.62 = 3,251.81/x
  3. Step 3: Cross multiply
    10,271.90x = 15,409.62 × 3,251.81
  4. Step 4: Simplify right side
    10,271.90x = 50,109,194.94
  5. Step 5: Solve for x
    x = 50,109,194.94/10,271.90
  6. Step 6: Final answer
    x = 4,878.28

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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.