Home / 18,284.02-27,389.49-8,409.76

Finding the Fourth Proportional to 18,284.02, 27,389.49 and 8,409.76

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Solution

The fourth proportional to 18,284.02, 27,389.49 and 8,409.76 is: 12,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.02 : 27,389.49 = 8,409.76 : x
  2. Step 2: Convert to fraction form
    18,284.02/27,389.49 = 8,409.76/x
  3. Step 3: Cross multiply
    18,284.02x = 27,389.49 × 8,409.76
  4. Step 4: Simplify right side
    18,284.02x = 230,339,037.42
  5. Step 5: Solve for x
    x = 230,339,037.42/18,284.02
  6. Step 6: Final answer
    x = 12,597.83

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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.