Home / 11,171.24-15,415.38-6,135.32

Finding the Fourth Proportional to 11,171.24, 15,415.38 and 6,135.32

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Solution

The fourth proportional to 11,171.24, 15,415.38 and 6,135.32 is: 8,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.24 : 15,415.38 = 6,135.32 : x
  2. Step 2: Convert to fraction form
    11,171.24/15,415.38 = 6,135.32/x
  3. Step 3: Cross multiply
    11,171.24x = 15,415.38 × 6,135.32
  4. Step 4: Simplify right side
    11,171.24x = 94,578,289.22
  5. Step 5: Solve for x
    x = 94,578,289.22/11,171.24
  6. Step 6: Final answer
    x = 8,466.23

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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.