Home / 18,918.63-26,107.92-11,849.22

Finding the Fourth Proportional to 18,918.63, 26,107.92 and 11,849.22

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Solution

The fourth proportional to 18,918.63, 26,107.92 and 11,849.22 is: 16,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.63 : 26,107.92 = 11,849.22 : x
  2. Step 2: Convert to fraction form
    18,918.63/26,107.92 = 11,849.22/x
  3. Step 3: Cross multiply
    18,918.63x = 26,107.92 × 11,849.22
  4. Step 4: Simplify right side
    18,918.63x = 309,358,487.82
  5. Step 5: Solve for x
    x = 309,358,487.82/18,918.63
  6. Step 6: Final answer
    x = 16,352.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.