Home / 11,313.06-16,969.38-3,415.42

Finding the Fourth Proportional to 11,313.06, 16,969.38 and 3,415.42

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Solution

The fourth proportional to 11,313.06, 16,969.38 and 3,415.42 is: 5,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.06 : 16,969.38 = 3,415.42 : x
  2. Step 2: Convert to fraction form
    11,313.06/16,969.38 = 3,415.42/x
  3. Step 3: Cross multiply
    11,313.06x = 16,969.38 × 3,415.42
  4. Step 4: Simplify right side
    11,313.06x = 57,957,559.84
  5. Step 5: Solve for x
    x = 57,957,559.84/11,313.06
  6. Step 6: Final answer
    x = 5,123.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.