Home / 14,939.87-20,616.26-8,226.08

Finding the Fourth Proportional to 14,939.87, 20,616.26 and 8,226.08

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Solution

The fourth proportional to 14,939.87, 20,616.26 and 8,226.08 is: 11,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.87 : 20,616.26 = 8,226.08 : x
  2. Step 2: Convert to fraction form
    14,939.87/20,616.26 = 8,226.08/x
  3. Step 3: Cross multiply
    14,939.87x = 20,616.26 × 8,226.08
  4. Step 4: Simplify right side
    14,939.87x = 169,590,900.98
  5. Step 5: Solve for x
    x = 169,590,900.98/14,939.87
  6. Step 6: Final answer
    x = 11,351.57

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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.