Home / 12,867.76-19,297.54-4,100.63

Finding the Fourth Proportional to 12,867.76, 19,297.54 and 4,100.63

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Solution

The fourth proportional to 12,867.76, 19,297.54 and 4,100.63 is: 6,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.76 : 19,297.54 = 4,100.63 : x
  2. Step 2: Convert to fraction form
    12,867.76/19,297.54 = 4,100.63/x
  3. Step 3: Cross multiply
    12,867.76x = 19,297.54 × 4,100.63
  4. Step 4: Simplify right side
    12,867.76x = 79,131,980.09
  5. Step 5: Solve for x
    x = 79,131,980.09/12,867.76
  6. Step 6: Final answer
    x = 6,149.63

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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.