Home / 18,684.86-28,075.73-14,048.57

Finding the Fourth Proportional to 18,684.86, 28,075.73 and 14,048.57

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Solution

The fourth proportional to 18,684.86, 28,075.73 and 14,048.57 is: 21,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.86 : 28,075.73 = 14,048.57 : x
  2. Step 2: Convert to fraction form
    18,684.86/28,075.73 = 14,048.57/x
  3. Step 3: Cross multiply
    18,684.86x = 28,075.73 × 14,048.57
  4. Step 4: Simplify right side
    18,684.86x = 394,423,647.58
  5. Step 5: Solve for x
    x = 394,423,647.58/18,684.86
  6. Step 6: Final answer
    x = 21,109.27

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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.