Home / 14,661.20-21,991.49-3,567.95

Finding the Fourth Proportional to 14,661.20, 21,991.49 and 3,567.95

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Solution

The fourth proportional to 14,661.20, 21,991.49 and 3,567.95 is: 5,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.20 : 21,991.49 = 3,567.95 : x
  2. Step 2: Convert to fraction form
    14,661.20/21,991.49 = 3,567.95/x
  3. Step 3: Cross multiply
    14,661.20x = 21,991.49 × 3,567.95
  4. Step 4: Simplify right side
    14,661.20x = 78,464,408.95
  5. Step 5: Solve for x
    x = 78,464,408.95/14,661.20
  6. Step 6: Final answer
    x = 5,351.84

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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.