Home / 12,095.20-16,689.90-6,788.89

Finding the Fourth Proportional to 12,095.20, 16,689.90 and 6,788.89

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Solution

The fourth proportional to 12,095.20, 16,689.90 and 6,788.89 is: 9,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.20 : 16,689.90 = 6,788.89 : x
  2. Step 2: Convert to fraction form
    12,095.20/16,689.90 = 6,788.89/x
  3. Step 3: Cross multiply
    12,095.20x = 16,689.90 × 6,788.89
  4. Step 4: Simplify right side
    12,095.20x = 113,305,853.49
  5. Step 5: Solve for x
    x = 113,305,853.49/12,095.20
  6. Step 6: Final answer
    x = 9,367.84

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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.