Home / 18,169.90-25,074.71-10,211.65

Finding the Fourth Proportional to 18,169.90, 25,074.71 and 10,211.65

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Solution

The fourth proportional to 18,169.90, 25,074.71 and 10,211.65 is: 14,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.90 : 25,074.71 = 10,211.65 : x
  2. Step 2: Convert to fraction form
    18,169.90/25,074.71 = 10,211.65/x
  3. Step 3: Cross multiply
    18,169.90x = 25,074.71 × 10,211.65
  4. Step 4: Simplify right side
    18,169.90x = 256,054,162.37
  5. Step 5: Solve for x
    x = 256,054,162.37/18,169.90
  6. Step 6: Final answer
    x = 14,092.22

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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.