Home / 18,849.23-26,012.43-10,351.90

Finding the Fourth Proportional to 18,849.23, 26,012.43 and 10,351.90

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Solution

The fourth proportional to 18,849.23, 26,012.43 and 10,351.90 is: 14,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.23 : 26,012.43 = 10,351.90 : x
  2. Step 2: Convert to fraction form
    18,849.23/26,012.43 = 10,351.90/x
  3. Step 3: Cross multiply
    18,849.23x = 26,012.43 × 10,351.90
  4. Step 4: Simplify right side
    18,849.23x = 269,278,074.12
  5. Step 5: Solve for x
    x = 269,278,074.12/18,849.23
  6. Step 6: Final answer
    x = 14,285.89

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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.