Home / 11,007.44-15,190.12-6,291.60

Finding the Fourth Proportional to 11,007.44, 15,190.12 and 6,291.60

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Solution

The fourth proportional to 11,007.44, 15,190.12 and 6,291.60 is: 8,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.44 : 15,190.12 = 6,291.60 : x
  2. Step 2: Convert to fraction form
    11,007.44/15,190.12 = 6,291.60/x
  3. Step 3: Cross multiply
    11,007.44x = 15,190.12 × 6,291.60
  4. Step 4: Simplify right side
    11,007.44x = 95,570,158.99
  5. Step 5: Solve for x
    x = 95,570,158.99/11,007.44
  6. Step 6: Final answer
    x = 8,682.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.