Home / 12,682.26-19,026.27-6,838.74

Finding the Fourth Proportional to 12,682.26, 19,026.27 and 6,838.74

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Solution

The fourth proportional to 12,682.26, 19,026.27 and 6,838.74 is: 10,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.26 : 19,026.27 = 6,838.74 : x
  2. Step 2: Convert to fraction form
    12,682.26/19,026.27 = 6,838.74/x
  3. Step 3: Cross multiply
    12,682.26x = 19,026.27 × 6,838.74
  4. Step 4: Simplify right side
    12,682.26x = 130,115,713.70
  5. Step 5: Solve for x
    x = 130,115,713.70/12,682.26
  6. Step 6: Final answer
    x = 10,259.66

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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.