Home / 18,668.49-25,674.21-14,846.72

Finding the Fourth Proportional to 18,668.49, 25,674.21 and 14,846.72

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Solution

The fourth proportional to 18,668.49, 25,674.21 and 14,846.72 is: 20,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.49 : 25,674.21 = 14,846.72 : x
  2. Step 2: Convert to fraction form
    18,668.49/25,674.21 = 14,846.72/x
  3. Step 3: Cross multiply
    18,668.49x = 25,674.21 × 14,846.72
  4. Step 4: Simplify right side
    18,668.49x = 381,177,678.72
  5. Step 5: Solve for x
    x = 381,177,678.72/18,668.49
  6. Step 6: Final answer
    x = 20,418.24

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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.