Home / 12,347.35-18,516.62-4,447.73

Finding the Fourth Proportional to 12,347.35, 18,516.62 and 4,447.73

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Solution

The fourth proportional to 12,347.35, 18,516.62 and 4,447.73 is: 6,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.35 : 18,516.62 = 4,447.73 : x
  2. Step 2: Convert to fraction form
    12,347.35/18,516.62 = 4,447.73/x
  3. Step 3: Cross multiply
    12,347.35x = 18,516.62 × 4,447.73
  4. Step 4: Simplify right side
    12,347.35x = 82,356,983.68
  5. Step 5: Solve for x
    x = 82,356,983.68/12,347.35
  6. Step 6: Final answer
    x = 6,670.01

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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.