Home / 12,090.23-18,135.26-6,578.60

Finding the Fourth Proportional to 12,090.23, 18,135.26 and 6,578.60

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Solution

The fourth proportional to 12,090.23, 18,135.26 and 6,578.60 is: 9,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.23 : 18,135.26 = 6,578.60 : x
  2. Step 2: Convert to fraction form
    12,090.23/18,135.26 = 6,578.60/x
  3. Step 3: Cross multiply
    12,090.23x = 18,135.26 × 6,578.60
  4. Step 4: Simplify right side
    12,090.23x = 119,304,683.22
  5. Step 5: Solve for x
    x = 119,304,683.22/12,090.23
  6. Step 6: Final answer
    x = 9,867.86

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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.