Home / 12,872.24-19,275.68-10,786.76

Finding the Fourth Proportional to 12,872.24, 19,275.68 and 10,786.76

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Solution

The fourth proportional to 12,872.24, 19,275.68 and 10,786.76 is: 16,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872.24 : 19,275.68 = 10,786.76 : x
  2. Step 2: Convert to fraction form
    12,872.24/19,275.68 = 10,786.76/x
  3. Step 3: Cross multiply
    12,872.24x = 19,275.68 × 10,786.76
  4. Step 4: Simplify right side
    12,872.24x = 207,922,134.00
  5. Step 5: Solve for x
    x = 207,922,134.00/12,872.24
  6. Step 6: Final answer
    x = 16,152.75

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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.