Home / 13,623.50-20,440.17-6,702.86

Finding the Fourth Proportional to 13,623.50, 20,440.17 and 6,702.86

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Solution

The fourth proportional to 13,623.50, 20,440.17 and 6,702.86 is: 10,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.50 : 20,440.17 = 6,702.86 : x
  2. Step 2: Convert to fraction form
    13,623.50/20,440.17 = 6,702.86/x
  3. Step 3: Cross multiply
    13,623.50x = 20,440.17 × 6,702.86
  4. Step 4: Simplify right side
    13,623.50x = 137,007,597.89
  5. Step 5: Solve for x
    x = 137,007,597.89/13,623.50
  6. Step 6: Final answer
    x = 10,056.71

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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.