Home / 12,867.41-19,269.66-11,620.82

Finding the Fourth Proportional to 12,867.41, 19,269.66 and 11,620.82

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Solution

The fourth proportional to 12,867.41, 19,269.66 and 11,620.82 is: 17,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.41 : 19,269.66 = 11,620.82 : x
  2. Step 2: Convert to fraction form
    12,867.41/19,269.66 = 11,620.82/x
  3. Step 3: Cross multiply
    12,867.41x = 19,269.66 × 11,620.82
  4. Step 4: Simplify right side
    12,867.41x = 223,929,250.32
  5. Step 5: Solve for x
    x = 223,929,250.32/12,867.41
  6. Step 6: Final answer
    x = 17,402.82

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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.