Home / 12,926.40-19,392.30-4,167.33

Finding the Fourth Proportional to 12,926.40, 19,392.30 and 4,167.33

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Solution

The fourth proportional to 12,926.40, 19,392.30 and 4,167.33 is: 6,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.40 : 19,392.30 = 4,167.33 : x
  2. Step 2: Convert to fraction form
    12,926.40/19,392.30 = 4,167.33/x
  3. Step 3: Cross multiply
    12,926.40x = 19,392.30 × 4,167.33
  4. Step 4: Simplify right side
    12,926.40x = 80,814,113.56
  5. Step 5: Solve for x
    x = 80,814,113.56/12,926.40
  6. Step 6: Final answer
    x = 6,251.87

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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.