Home / 11,411.35-15,747.10-6,374.57

Finding the Fourth Proportional to 11,411.35, 15,747.10 and 6,374.57

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Solution

The fourth proportional to 11,411.35, 15,747.10 and 6,374.57 is: 8,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.35 : 15,747.10 = 6,374.57 : x
  2. Step 2: Convert to fraction form
    11,411.35/15,747.10 = 6,374.57/x
  3. Step 3: Cross multiply
    11,411.35x = 15,747.10 × 6,374.57
  4. Step 4: Simplify right side
    11,411.35x = 100,380,880.64
  5. Step 5: Solve for x
    x = 100,380,880.64/11,411.35
  6. Step 6: Final answer
    x = 8,796.59

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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.