Home / 12,234.15-18,343.80-6,679.77

Finding the Fourth Proportional to 12,234.15, 18,343.80 and 6,679.77

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Solution

The fourth proportional to 12,234.15, 18,343.80 and 6,679.77 is: 10,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.15 : 18,343.80 = 6,679.77 : x
  2. Step 2: Convert to fraction form
    12,234.15/18,343.80 = 6,679.77/x
  3. Step 3: Cross multiply
    12,234.15x = 18,343.80 × 6,679.77
  4. Step 4: Simplify right side
    12,234.15x = 122,532,364.93
  5. Step 5: Solve for x
    x = 122,532,364.93/12,234.15
  6. Step 6: Final answer
    x = 10,015.60

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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.