Home / 11,795.28-16,277.08-6,489.60

Finding the Fourth Proportional to 11,795.28, 16,277.08 and 6,489.60

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Solution

The fourth proportional to 11,795.28, 16,277.08 and 6,489.60 is: 8,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.28 : 16,277.08 = 6,489.60 : x
  2. Step 2: Convert to fraction form
    11,795.28/16,277.08 = 6,489.60/x
  3. Step 3: Cross multiply
    11,795.28x = 16,277.08 × 6,489.60
  4. Step 4: Simplify right side
    11,795.28x = 105,631,738.37
  5. Step 5: Solve for x
    x = 105,631,738.37/11,795.28
  6. Step 6: Final answer
    x = 8,955.42

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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.