Home / 12,234.54-16,876.05-10,185.21

Finding the Fourth Proportional to 12,234.54, 16,876.05 and 10,185.21

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Solution

The fourth proportional to 12,234.54, 16,876.05 and 10,185.21 is: 14,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.54 : 16,876.05 = 10,185.21 : x
  2. Step 2: Convert to fraction form
    12,234.54/16,876.05 = 10,185.21/x
  3. Step 3: Cross multiply
    12,234.54x = 16,876.05 × 10,185.21
  4. Step 4: Simplify right side
    12,234.54x = 171,886,113.22
  5. Step 5: Solve for x
    x = 171,886,113.22/12,234.54
  6. Step 6: Final answer
    x = 14,049.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.