Home / 14,379.29-21,571.12-4,517.64

Finding the Fourth Proportional to 14,379.29, 21,571.12 and 4,517.64

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Solution

The fourth proportional to 14,379.29, 21,571.12 and 4,517.64 is: 6,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.29 : 21,571.12 = 4,517.64 : x
  2. Step 2: Convert to fraction form
    14,379.29/21,571.12 = 4,517.64/x
  3. Step 3: Cross multiply
    14,379.29x = 21,571.12 × 4,517.64
  4. Step 4: Simplify right side
    14,379.29x = 97,450,585.90
  5. Step 5: Solve for x
    x = 97,450,585.90/14,379.29
  6. Step 6: Final answer
    x = 6,777.15

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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.