Home / 14,643.85-21,965.58-3,550.63

Finding the Fourth Proportional to 14,643.85, 21,965.58 and 3,550.63

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Solution

The fourth proportional to 14,643.85, 21,965.58 and 3,550.63 is: 5,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.85 : 21,965.58 = 3,550.63 : x
  2. Step 2: Convert to fraction form
    14,643.85/21,965.58 = 3,550.63/x
  3. Step 3: Cross multiply
    14,643.85x = 21,965.58 × 3,550.63
  4. Step 4: Simplify right side
    14,643.85x = 77,991,629.56
  5. Step 5: Solve for x
    x = 77,991,629.56/14,643.85
  6. Step 6: Final answer
    x = 5,325.90

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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.