Home / 14,639.87-21,959.75-3,546.54

Finding the Fourth Proportional to 14,639.87, 21,959.75 and 3,546.54

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Solution

The fourth proportional to 14,639.87, 21,959.75 and 3,546.54 is: 5,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.87 : 21,959.75 = 3,546.54 : x
  2. Step 2: Convert to fraction form
    14,639.87/21,959.75 = 3,546.54/x
  3. Step 3: Cross multiply
    14,639.87x = 21,959.75 × 3,546.54
  4. Step 4: Simplify right side
    14,639.87x = 77,881,114.03
  5. Step 5: Solve for x
    x = 77,881,114.03/14,639.87
  6. Step 6: Final answer
    x = 5,319.80

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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.