Home / 13,039.38-19,559.01-3,679.38

Finding the Fourth Proportional to 13,039.38, 19,559.01 and 3,679.38

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Solution

The fourth proportional to 13,039.38, 19,559.01 and 3,679.38 is: 5,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.38 : 19,559.01 = 3,679.38 : x
  2. Step 2: Convert to fraction form
    13,039.38/19,559.01 = 3,679.38/x
  3. Step 3: Cross multiply
    13,039.38x = 19,559.01 × 3,679.38
  4. Step 4: Simplify right side
    13,039.38x = 71,965,030.21
  5. Step 5: Solve for x
    x = 71,965,030.21/13,039.38
  6. Step 6: Final answer
    x = 5,519.05

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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.