Home / 12,755.38-17,601.90-7,376.98

Finding the Fourth Proportional to 12,755.38, 17,601.90 and 7,376.98

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Solution

The fourth proportional to 12,755.38, 17,601.90 and 7,376.98 is: 10,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.38 : 17,601.90 = 7,376.98 : x
  2. Step 2: Convert to fraction form
    12,755.38/17,601.90 = 7,376.98/x
  3. Step 3: Cross multiply
    12,755.38x = 17,601.90 × 7,376.98
  4. Step 4: Simplify right side
    12,755.38x = 129,848,864.26
  5. Step 5: Solve for x
    x = 129,848,864.26/12,755.38
  6. Step 6: Final answer
    x = 10,179.93

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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.