Home / 18,246.67-25,180.07-10,288.90

Finding the Fourth Proportional to 18,246.67, 25,180.07 and 10,288.90

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Solution

The fourth proportional to 18,246.67, 25,180.07 and 10,288.90 is: 14,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.67 : 25,180.07 = 10,288.90 : x
  2. Step 2: Convert to fraction form
    18,246.67/25,180.07 = 10,288.90/x
  3. Step 3: Cross multiply
    18,246.67x = 25,180.07 × 10,288.90
  4. Step 4: Simplify right side
    18,246.67x = 259,075,044.88
  5. Step 5: Solve for x
    x = 259,075,044.88/18,246.67
  6. Step 6: Final answer
    x = 14,198.49

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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.