Home / 18,450-27,674.72-8,583.76

Finding the Fourth Proportional to 18,450, 27,674.72 and 8,583.76

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Solution

The fourth proportional to 18,450, 27,674.72 and 8,583.76 is: 12,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450 : 27,674.72 = 8,583.76 : x
  2. Step 2: Convert to fraction form
    18,450/27,674.72 = 8,583.76/x
  3. Step 3: Cross multiply
    18,450x = 27,674.72 × 8,583.76
  4. Step 4: Simplify right side
    18,450x = 237,553,154.55
  5. Step 5: Solve for x
    x = 237,553,154.55/18,450
  6. Step 6: Final answer
    x = 12,875.51

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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.