Home / 11,271.40-16,907.10-6,586.60

Finding the Fourth Proportional to 11,271.40, 16,907.10 and 6,586.60

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Solution

The fourth proportional to 11,271.40, 16,907.10 and 6,586.60 is: 9,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.40 : 16,907.10 = 6,586.60 : x
  2. Step 2: Convert to fraction form
    11,271.40/16,907.10 = 6,586.60/x
  3. Step 3: Cross multiply
    11,271.40x = 16,907.10 × 6,586.60
  4. Step 4: Simplify right side
    11,271.40x = 111,360,304.86
  5. Step 5: Solve for x
    x = 111,360,304.86/11,271.40
  6. Step 6: Final answer
    x = 9,879.90

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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.