Home / 18,572.46-27,868.32-12,336.84

Finding the Fourth Proportional to 18,572.46, 27,868.32 and 12,336.84

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Solution

The fourth proportional to 18,572.46, 27,868.32 and 12,336.84 is: 18,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.46 : 27,868.32 = 12,336.84 : x
  2. Step 2: Convert to fraction form
    18,572.46/27,868.32 = 12,336.84/x
  3. Step 3: Cross multiply
    18,572.46x = 27,868.32 × 12,336.84
  4. Step 4: Simplify right side
    18,572.46x = 343,807,004.91
  5. Step 5: Solve for x
    x = 343,807,004.91/18,572.46
  6. Step 6: Final answer
    x = 18,511.66

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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.