Home / 12,665.41-18,992.64-4,346.23

Finding the Fourth Proportional to 12,665.41, 18,992.64 and 4,346.23

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Solution

The fourth proportional to 12,665.41, 18,992.64 and 4,346.23 is: 6,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665.41 : 18,992.64 = 4,346.23 : x
  2. Step 2: Convert to fraction form
    12,665.41/18,992.64 = 4,346.23/x
  3. Step 3: Cross multiply
    12,665.41x = 18,992.64 × 4,346.23
  4. Step 4: Simplify right side
    12,665.41x = 82,546,381.75
  5. Step 5: Solve for x
    x = 82,546,381.75/12,665.41
  6. Step 6: Final answer
    x = 6,517.47

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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.