Home / 12,149.58-16,766.35-6,846.11

Finding the Fourth Proportional to 12,149.58, 16,766.35 and 6,846.11

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Solution

The fourth proportional to 12,149.58, 16,766.35 and 6,846.11 is: 9,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.58 : 16,766.35 = 6,846.11 : x
  2. Step 2: Convert to fraction form
    12,149.58/16,766.35 = 6,846.11/x
  3. Step 3: Cross multiply
    12,149.58x = 16,766.35 × 6,846.11
  4. Step 4: Simplify right side
    12,149.58x = 114,784,158.34
  5. Step 5: Solve for x
    x = 114,784,158.34/12,149.58
  6. Step 6: Final answer
    x = 9,447.58

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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.