Home / 12,682.86-19,032.46-6,843.50

Finding the Fourth Proportional to 12,682.86, 19,032.46 and 6,843.50

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Solution

The fourth proportional to 12,682.86, 19,032.46 and 6,843.50 is: 10,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.86 : 19,032.46 = 6,843.50 : x
  2. Step 2: Convert to fraction form
    12,682.86/19,032.46 = 6,843.50/x
  3. Step 3: Cross multiply
    12,682.86x = 19,032.46 × 6,843.50
  4. Step 4: Simplify right side
    12,682.86x = 130,248,640.01
  5. Step 5: Solve for x
    x = 130,248,640.01/12,682.86
  6. Step 6: Final answer
    x = 10,269.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.