Home / 12,733.20-19,114.20-6,886.80

Finding the Fourth Proportional to 12,733.20, 19,114.20 and 6,886.80

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Solution

The fourth proportional to 12,733.20, 19,114.20 and 6,886.80 is: 10,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.20 : 19,114.20 = 6,886.80 : x
  2. Step 2: Convert to fraction form
    12,733.20/19,114.20 = 6,886.80/x
  3. Step 3: Cross multiply
    12,733.20x = 19,114.20 × 6,886.80
  4. Step 4: Simplify right side
    12,733.20x = 131,635,672.56
  5. Step 5: Solve for x
    x = 131,635,672.56/12,733.20
  6. Step 6: Final answer
    x = 10,337.99

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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.