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Finding the Fourth Proportional to 12,242.66, 16,894.82 and 6,938.49

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Solution

The fourth proportional to 12,242.66, 16,894.82 and 6,938.49 is: 9,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.66 : 16,894.82 = 6,938.49 : x
  2. Step 2: Convert to fraction form
    12,242.66/16,894.82 = 6,938.49/x
  3. Step 3: Cross multiply
    12,242.66x = 16,894.82 × 6,938.49
  4. Step 4: Simplify right side
    12,242.66x = 117,224,539.62
  5. Step 5: Solve for x
    x = 117,224,539.62/12,242.66
  6. Step 6: Final answer
    x = 9,575.09

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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.