Home / 12,142.73-16,757.03-6,837.64

Finding the Fourth Proportional to 12,142.73, 16,757.03 and 6,837.64

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Solution

The fourth proportional to 12,142.73, 16,757.03 and 6,837.64 is: 9,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142.73 : 16,757.03 = 6,837.64 : x
  2. Step 2: Convert to fraction form
    12,142.73/16,757.03 = 6,837.64/x
  3. Step 3: Cross multiply
    12,142.73x = 16,757.03 × 6,837.64
  4. Step 4: Simplify right side
    12,142.73x = 114,578,538.61
  5. Step 5: Solve for x
    x = 114,578,538.61/12,142.73
  6. Step 6: Final answer
    x = 9,435.98

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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.