Home / 11,913.34-16,441.15-6,878.48

Finding the Fourth Proportional to 11,913.34, 16,441.15 and 6,878.48

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Solution

The fourth proportional to 11,913.34, 16,441.15 and 6,878.48 is: 9,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.34 : 16,441.15 = 6,878.48 : x
  2. Step 2: Convert to fraction form
    11,913.34/16,441.15 = 6,878.48/x
  3. Step 3: Cross multiply
    11,913.34x = 16,441.15 × 6,878.48
  4. Step 4: Simplify right side
    11,913.34x = 113,090,042.60
  5. Step 5: Solve for x
    x = 113,090,042.60/11,913.34
  6. Step 6: Final answer
    x = 9,492.73

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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.