Home / 13,460.61-20,189.77-8,194.26

Finding the Fourth Proportional to 13,460.61, 20,189.77 and 8,194.26

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Solution

The fourth proportional to 13,460.61, 20,189.77 and 8,194.26 is: 12,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.61 : 20,189.77 = 8,194.26 : x
  2. Step 2: Convert to fraction form
    13,460.61/20,189.77 = 8,194.26/x
  3. Step 3: Cross multiply
    13,460.61x = 20,189.77 × 8,194.26
  4. Step 4: Simplify right side
    13,460.61x = 165,440,126.46
  5. Step 5: Solve for x
    x = 165,440,126.46/13,460.61
  6. Step 6: Final answer
    x = 12,290.68

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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.