Home / 12,333.87-18,519.26-9,861.39

Finding the Fourth Proportional to 12,333.87, 18,519.26 and 9,861.39

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Solution

The fourth proportional to 12,333.87, 18,519.26 and 9,861.39 is: 14,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.87 : 18,519.26 = 9,861.39 : x
  2. Step 2: Convert to fraction form
    12,333.87/18,519.26 = 9,861.39/x
  3. Step 3: Cross multiply
    12,333.87x = 18,519.26 × 9,861.39
  4. Step 4: Simplify right side
    12,333.87x = 182,625,596.06
  5. Step 5: Solve for x
    x = 182,625,596.06/12,333.87
  6. Step 6: Final answer
    x = 14,806.84

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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.