Home / 12,445.80-18,654.30-5,046.60

Finding the Fourth Proportional to 12,445.80, 18,654.30 and 5,046.60

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Solution

The fourth proportional to 12,445.80, 18,654.30 and 5,046.60 is: 7,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.80 : 18,654.30 = 5,046.60 : x
  2. Step 2: Convert to fraction form
    12,445.80/18,654.30 = 5,046.60/x
  3. Step 3: Cross multiply
    12,445.80x = 18,654.30 × 5,046.60
  4. Step 4: Simplify right side
    12,445.80x = 94,140,790.38
  5. Step 5: Solve for x
    x = 94,140,790.38/12,445.80
  6. Step 6: Final answer
    x = 7,564.06

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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.