Home / 14,313.20-21,474.48-7,382.72

Finding the Fourth Proportional to 14,313.20, 21,474.48 and 7,382.72

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Solution

The fourth proportional to 14,313.20, 21,474.48 and 7,382.72 is: 11,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.20 : 21,474.48 = 7,382.72 : x
  2. Step 2: Convert to fraction form
    14,313.20/21,474.48 = 7,382.72/x
  3. Step 3: Cross multiply
    14,313.20x = 21,474.48 × 7,382.72
  4. Step 4: Simplify right side
    14,313.20x = 158,540,072.99
  5. Step 5: Solve for x
    x = 158,540,072.99/14,313.20
  6. Step 6: Final answer
    x = 11,076.49

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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.