Home / 13,486.26-18,598.92-8,451.03

Finding the Fourth Proportional to 13,486.26, 18,598.92 and 8,451.03

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Solution

The fourth proportional to 13,486.26, 18,598.92 and 8,451.03 is: 11,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.26 : 18,598.92 = 8,451.03 : x
  2. Step 2: Convert to fraction form
    13,486.26/18,598.92 = 8,451.03/x
  3. Step 3: Cross multiply
    13,486.26x = 18,598.92 × 8,451.03
  4. Step 4: Simplify right side
    13,486.26x = 157,180,030.89
  5. Step 5: Solve for x
    x = 157,180,030.89/13,486.26
  6. Step 6: Final answer
    x = 11,654.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.