Home / 20,666.23-30,974.74-14,392.27

Finding the Fourth Proportional to 20,666.23, 30,974.74 and 14,392.27

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Solution

The fourth proportional to 20,666.23, 30,974.74 and 14,392.27 is: 21,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666.23 : 30,974.74 = 14,392.27 : x
  2. Step 2: Convert to fraction form
    20,666.23/30,974.74 = 14,392.27/x
  3. Step 3: Cross multiply
    20,666.23x = 30,974.74 × 14,392.27
  4. Step 4: Simplify right side
    20,666.23x = 445,796,821.26
  5. Step 5: Solve for x
    x = 445,796,821.26/20,666.23
  6. Step 6: Final answer
    x = 21,571.27

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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.