Home / 14,247.94-19,662.21-7,960.42

Finding the Fourth Proportional to 14,247.94, 19,662.21 and 7,960.42

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Solution

The fourth proportional to 14,247.94, 19,662.21 and 7,960.42 is: 10,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.94 : 19,662.21 = 7,960.42 : x
  2. Step 2: Convert to fraction form
    14,247.94/19,662.21 = 7,960.42/x
  3. Step 3: Cross multiply
    14,247.94x = 19,662.21 × 7,960.42
  4. Step 4: Simplify right side
    14,247.94x = 156,519,449.73
  5. Step 5: Solve for x
    x = 156,519,449.73/14,247.94
  6. Step 6: Final answer
    x = 10,985.41

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.