Home / 12,234.60-16,884.12-6,930.18

Finding the Fourth Proportional to 12,234.60, 16,884.12 and 6,930.18

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Solution

The fourth proportional to 12,234.60, 16,884.12 and 6,930.18 is: 9,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.60 : 16,884.12 = 6,930.18 : x
  2. Step 2: Convert to fraction form
    12,234.60/16,884.12 = 6,930.18/x
  3. Step 3: Cross multiply
    12,234.60x = 16,884.12 × 6,930.18
  4. Step 4: Simplify right side
    12,234.60x = 117,009,990.74
  5. Step 5: Solve for x
    x = 117,009,990.74/12,234.60
  6. Step 6: Final answer
    x = 9,563.86

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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.