Home / 11,380.84-15,706.50-6,344.38

Finding the Fourth Proportional to 11,380.84, 15,706.50 and 6,344.38

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Solution

The fourth proportional to 11,380.84, 15,706.50 and 6,344.38 is: 8,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.84 : 15,706.50 = 6,344.38 : x
  2. Step 2: Convert to fraction form
    11,380.84/15,706.50 = 6,344.38/x
  3. Step 3: Cross multiply
    11,380.84x = 15,706.50 × 6,344.38
  4. Step 4: Simplify right side
    11,380.84x = 99,648,004.47
  5. Step 5: Solve for x
    x = 99,648,004.47/11,380.84
  6. Step 6: Final answer
    x = 8,755.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.