Home / 22,454.24-30,986.84-12,894.75

Finding the Fourth Proportional to 22,454.24, 30,986.84 and 12,894.75

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Solution

The fourth proportional to 22,454.24, 30,986.84 and 12,894.75 is: 17,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.24 : 30,986.84 = 12,894.75 : x
  2. Step 2: Convert to fraction form
    22,454.24/30,986.84 = 12,894.75/x
  3. Step 3: Cross multiply
    22,454.24x = 30,986.84 × 12,894.75
  4. Step 4: Simplify right side
    22,454.24x = 399,567,555.09
  5. Step 5: Solve for x
    x = 399,567,555.09/22,454.24
  6. Step 6: Final answer
    x = 17,794.75

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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.