Home / 13,188.34-19,768.83-8,246.63

Finding the Fourth Proportional to 13,188.34, 19,768.83 and 8,246.63

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Solution

The fourth proportional to 13,188.34, 19,768.83 and 8,246.63 is: 12,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.34 : 19,768.83 = 8,246.63 : x
  2. Step 2: Convert to fraction form
    13,188.34/19,768.83 = 8,246.63/x
  3. Step 3: Cross multiply
    13,188.34x = 19,768.83 × 8,246.63
  4. Step 4: Simplify right side
    13,188.34x = 163,026,226.54
  5. Step 5: Solve for x
    x = 163,026,226.54/13,188.34
  6. Step 6: Final answer
    x = 12,361.39

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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.