Home / 14,786.08-22,185.09-10,857.31

Finding the Fourth Proportional to 14,786.08, 22,185.09 and 10,857.31

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Solution

The fourth proportional to 14,786.08, 22,185.09 and 10,857.31 is: 16,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.08 : 22,185.09 = 10,857.31 : x
  2. Step 2: Convert to fraction form
    14,786.08/22,185.09 = 10,857.31/x
  3. Step 3: Cross multiply
    14,786.08x = 22,185.09 × 10,857.31
  4. Step 4: Simplify right side
    14,786.08x = 240,870,344.05
  5. Step 5: Solve for x
    x = 240,870,344.05/14,786.08
  6. Step 6: Final answer
    x = 16,290.35

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1.5x scale

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.