Home / 13,023.39-19,536.53-3,790.11

Finding the Fourth Proportional to 13,023.39, 19,536.53 and 3,790.11

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Solution

The fourth proportional to 13,023.39, 19,536.53 and 3,790.11 is: 5,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.39 : 19,536.53 = 3,790.11 : x
  2. Step 2: Convert to fraction form
    13,023.39/19,536.53 = 3,790.11/x
  3. Step 3: Cross multiply
    13,023.39x = 19,536.53 × 3,790.11
  4. Step 4: Simplify right side
    13,023.39x = 74,045,578.77
  5. Step 5: Solve for x
    x = 74,045,578.77/13,023.39
  6. Step 6: Final answer
    x = 5,685.58

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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.