Home / 12,738.35-19,089.73-10,854.41

Finding the Fourth Proportional to 12,738.35, 19,089.73 and 10,854.41

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Solution

The fourth proportional to 12,738.35, 19,089.73 and 10,854.41 is: 16,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.35 : 19,089.73 = 10,854.41 : x
  2. Step 2: Convert to fraction form
    12,738.35/19,089.73 = 10,854.41/x
  3. Step 3: Cross multiply
    12,738.35x = 19,089.73 × 10,854.41
  4. Step 4: Simplify right side
    12,738.35x = 207,207,674.33
  5. Step 5: Solve for x
    x = 207,207,674.33/12,738.35
  6. Step 6: Final answer
    x = 16,266.44

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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.