Home / 9,380.47-14,063.70-3,136.78

Finding the Fourth Proportional to 9,380.47, 14,063.70 and 3,136.78

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Solution

The fourth proportional to 9,380.47, 14,063.70 and 3,136.78 is: 4,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.47 : 14,063.70 = 3,136.78 : x
  2. Step 2: Convert to fraction form
    9,380.47/14,063.70 = 3,136.78/x
  3. Step 3: Cross multiply
    9,380.47x = 14,063.70 × 3,136.78
  4. Step 4: Simplify right side
    9,380.47x = 44,114,732.89
  5. Step 5: Solve for x
    x = 44,114,732.89/9,380.47
  6. Step 6: Final answer
    x = 4,702.83

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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.