Home / 11,120.58-15,346.61-6,650.60

Finding the Fourth Proportional to 11,120.58, 15,346.61 and 6,650.60

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Solution

The fourth proportional to 11,120.58, 15,346.61 and 6,650.60 is: 9,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.58 : 15,346.61 = 6,650.60 : x
  2. Step 2: Convert to fraction form
    11,120.58/15,346.61 = 6,650.60/x
  3. Step 3: Cross multiply
    11,120.58x = 15,346.61 × 6,650.60
  4. Step 4: Simplify right side
    11,120.58x = 102,064,054.48
  5. Step 5: Solve for x
    x = 102,064,054.48/11,120.58
  6. Step 6: Final answer
    x = 9,177.94

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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.