Home / 19,090.67-28,598.75-12,496.86

Finding the Fourth Proportional to 19,090.67, 28,598.75 and 12,496.86

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Solution

The fourth proportional to 19,090.67, 28,598.75 and 12,496.86 is: 18,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.67 : 28,598.75 = 12,496.86 : x
  2. Step 2: Convert to fraction form
    19,090.67/28,598.75 = 12,496.86/x
  3. Step 3: Cross multiply
    19,090.67x = 28,598.75 × 12,496.86
  4. Step 4: Simplify right side
    19,090.67x = 357,394,512.44
  5. Step 5: Solve for x
    x = 357,394,512.44/19,090.67
  6. Step 6: Final answer
    x = 18,720.90

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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.