Home / 12,247.14-18,374.13-3,927.63

Finding the Fourth Proportional to 12,247.14, 18,374.13 and 3,927.63

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Solution

The fourth proportional to 12,247.14, 18,374.13 and 3,927.63 is: 5,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.14 : 18,374.13 = 3,927.63 : x
  2. Step 2: Convert to fraction form
    12,247.14/18,374.13 = 3,927.63/x
  3. Step 3: Cross multiply
    12,247.14x = 18,374.13 × 3,927.63
  4. Step 4: Simplify right side
    12,247.14x = 72,166,784.21
  5. Step 5: Solve for x
    x = 72,166,784.21/12,247.14
  6. Step 6: Final answer
    x = 5,892.54

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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.