Home / 13,308.42-19,964.54-4,420.73

Finding the Fourth Proportional to 13,308.42, 19,964.54 and 4,420.73

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Solution

The fourth proportional to 13,308.42, 19,964.54 and 4,420.73 is: 6,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.42 : 19,964.54 = 4,420.73 : x
  2. Step 2: Convert to fraction form
    13,308.42/19,964.54 = 4,420.73/x
  3. Step 3: Cross multiply
    13,308.42x = 19,964.54 × 4,420.73
  4. Step 4: Simplify right side
    13,308.42x = 88,257,901.88
  5. Step 5: Solve for x
    x = 88,257,901.88/13,308.42
  6. Step 6: Final answer
    x = 6,631.73

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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.