Home / 12,582.78-17,364.66-6,917.73

Finding the Fourth Proportional to 12,582.78, 17,364.66 and 6,917.73

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Solution

The fourth proportional to 12,582.78, 17,364.66 and 6,917.73 is: 9,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.78 : 17,364.66 = 6,917.73 : x
  2. Step 2: Convert to fraction form
    12,582.78/17,364.66 = 6,917.73/x
  3. Step 3: Cross multiply
    12,582.78x = 17,364.66 × 6,917.73
  4. Step 4: Simplify right side
    12,582.78x = 120,124,029.42
  5. Step 5: Solve for x
    x = 120,124,029.42/12,582.78
  6. Step 6: Final answer
    x = 9,546.70

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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.