Home / 11,339.80-17,002.44-4,762.60

Finding the Fourth Proportional to 11,339.80, 17,002.44 and 4,762.60

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Solution

The fourth proportional to 11,339.80, 17,002.44 and 4,762.60 is: 7,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.80 : 17,002.44 = 4,762.60 : x
  2. Step 2: Convert to fraction form
    11,339.80/17,002.44 = 4,762.60/x
  3. Step 3: Cross multiply
    11,339.80x = 17,002.44 × 4,762.60
  4. Step 4: Simplify right side
    11,339.80x = 80,975,820.74
  5. Step 5: Solve for x
    x = 80,975,820.74/11,339.80
  6. Step 6: Final answer
    x = 7,140.85

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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.