Home / 11,378.44-15,702.58-6,662.28

Finding the Fourth Proportional to 11,378.44, 15,702.58 and 6,662.28

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Solution

The fourth proportional to 11,378.44, 15,702.58 and 6,662.28 is: 9,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.44 : 15,702.58 = 6,662.28 : x
  2. Step 2: Convert to fraction form
    11,378.44/15,702.58 = 6,662.28/x
  3. Step 3: Cross multiply
    11,378.44x = 15,702.58 × 6,662.28
  4. Step 4: Simplify right side
    11,378.44x = 104,614,984.68
  5. Step 5: Solve for x
    x = 104,614,984.68/11,378.44
  6. Step 6: Final answer
    x = 9,194.14

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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.