Home / 13,745.67-20,618.33-3,357.51

Finding the Fourth Proportional to 13,745.67, 20,618.33 and 3,357.51

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Solution

The fourth proportional to 13,745.67, 20,618.33 and 3,357.51 is: 5,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.67 : 20,618.33 = 3,357.51 : x
  2. Step 2: Convert to fraction form
    13,745.67/20,618.33 = 3,357.51/x
  3. Step 3: Cross multiply
    13,745.67x = 20,618.33 × 3,357.51
  4. Step 4: Simplify right side
    13,745.67x = 69,226,232.37
  5. Step 5: Solve for x
    x = 69,226,232.37/13,745.67
  6. Step 6: Final answer
    x = 5,036.22

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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.