Home / 12,087.10-16,679.95-6,783.63

Finding the Fourth Proportional to 12,087.10, 16,679.95 and 6,783.63

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Solution

The fourth proportional to 12,087.10, 16,679.95 and 6,783.63 is: 9,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.10 : 16,679.95 = 6,783.63 : x
  2. Step 2: Convert to fraction form
    12,087.10/16,679.95 = 6,783.63/x
  3. Step 3: Cross multiply
    12,087.10x = 16,679.95 × 6,783.63
  4. Step 4: Simplify right side
    12,087.10x = 113,150,609.22
  5. Step 5: Solve for x
    x = 113,150,609.22/12,087.10
  6. Step 6: Final answer
    x = 9,361.27

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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.