Home / 13,137.41-19,710.77-8,201.34

Finding the Fourth Proportional to 13,137.41, 19,710.77 and 8,201.34

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Solution

The fourth proportional to 13,137.41, 19,710.77 and 8,201.34 is: 12,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.41 : 19,710.77 = 8,201.34 : x
  2. Step 2: Convert to fraction form
    13,137.41/19,710.77 = 8,201.34/x
  3. Step 3: Cross multiply
    13,137.41x = 19,710.77 × 8,201.34
  4. Step 4: Simplify right side
    13,137.41x = 161,654,685.43
  5. Step 5: Solve for x
    x = 161,654,685.43/13,137.41
  6. Step 6: Final answer
    x = 12,304.92

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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.