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Finding the Fourth Proportional to 12,927.73, 17,840.26 and 7,338.73

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Solution

The fourth proportional to 12,927.73, 17,840.26 and 7,338.73 is: 10,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.73 : 17,840.26 = 7,338.73 : x
  2. Step 2: Convert to fraction form
    12,927.73/17,840.26 = 7,338.73/x
  3. Step 3: Cross multiply
    12,927.73x = 17,840.26 × 7,338.73
  4. Step 4: Simplify right side
    12,927.73x = 130,924,851.27
  5. Step 5: Solve for x
    x = 130,924,851.27/12,927.73
  6. Step 6: Final answer
    x = 10,127.44

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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.