Home / 12,230.64-18,354.60-4,835.34

Finding the Fourth Proportional to 12,230.64, 18,354.60 and 4,835.34

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Solution

The fourth proportional to 12,230.64, 18,354.60 and 4,835.34 is: 7,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.64 : 18,354.60 = 4,835.34 : x
  2. Step 2: Convert to fraction form
    12,230.64/18,354.60 = 4,835.34/x
  3. Step 3: Cross multiply
    12,230.64x = 18,354.60 × 4,835.34
  4. Step 4: Simplify right side
    12,230.64x = 88,750,731.56
  5. Step 5: Solve for x
    x = 88,750,731.56/12,230.64
  6. Step 6: Final answer
    x = 7,256.43

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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.