Home / 14,645.06-21,969.79-4,255.46

Finding the Fourth Proportional to 14,645.06, 21,969.79 and 4,255.46

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Solution

The fourth proportional to 14,645.06, 21,969.79 and 4,255.46 is: 6,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.06 : 21,969.79 = 4,255.46 : x
  2. Step 2: Convert to fraction form
    14,645.06/21,969.79 = 4,255.46/x
  3. Step 3: Cross multiply
    14,645.06x = 21,969.79 × 4,255.46
  4. Step 4: Simplify right side
    14,645.06x = 93,491,562.55
  5. Step 5: Solve for x
    x = 93,491,562.55/14,645.06
  6. Step 6: Final answer
    x = 6,383.83

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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.