Home / 13,039.05-19,559.73-3,679.14

Finding the Fourth Proportional to 13,039.05, 19,559.73 and 3,679.14

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Solution

The fourth proportional to 13,039.05, 19,559.73 and 3,679.14 is: 5,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.05 : 19,559.73 = 3,679.14 : x
  2. Step 2: Convert to fraction form
    13,039.05/19,559.73 = 3,679.14/x
  3. Step 3: Cross multiply
    13,039.05x = 19,559.73 × 3,679.14
  4. Step 4: Simplify right side
    13,039.05x = 71,962,985.03
  5. Step 5: Solve for x
    x = 71,962,985.03/13,039.05
  6. Step 6: Final answer
    x = 5,519.04

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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.