Home / 18,706.94-28,060.38-6,861.23

Finding the Fourth Proportional to 18,706.94, 28,060.38 and 6,861.23

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Solution

The fourth proportional to 18,706.94, 28,060.38 and 6,861.23 is: 10,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.94 : 28,060.38 = 6,861.23 : x
  2. Step 2: Convert to fraction form
    18,706.94/28,060.38 = 6,861.23/x
  3. Step 3: Cross multiply
    18,706.94x = 28,060.38 × 6,861.23
  4. Step 4: Simplify right side
    18,706.94x = 192,528,580.77
  5. Step 5: Solve for x
    x = 192,528,580.77/18,706.94
  6. Step 6: Final answer
    x = 10,291.83

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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.