Home / 12,662.60-18,985.80-6,098.36

Finding the Fourth Proportional to 12,662.60, 18,985.80 and 6,098.36

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Solution

The fourth proportional to 12,662.60, 18,985.80 and 6,098.36 is: 9,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,662.60 : 18,985.80 = 6,098.36 : x
  2. Step 2: Convert to fraction form
    12,662.60/18,985.80 = 6,098.36/x
  3. Step 3: Cross multiply
    12,662.60x = 18,985.80 × 6,098.36
  4. Step 4: Simplify right side
    12,662.60x = 115,782,243.29
  5. Step 5: Solve for x
    x = 115,782,243.29/12,662.60
  6. Step 6: Final answer
    x = 9,143.64

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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.