Home / 10,758.12-16,127.44-3,827.76

Finding the Fourth Proportional to 10,758.12, 16,127.44 and 3,827.76

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Solution

The fourth proportional to 10,758.12, 16,127.44 and 3,827.76 is: 5,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.12 : 16,127.44 = 3,827.76 : x
  2. Step 2: Convert to fraction form
    10,758.12/16,127.44 = 3,827.76/x
  3. Step 3: Cross multiply
    10,758.12x = 16,127.44 × 3,827.76
  4. Step 4: Simplify right side
    10,758.12x = 61,731,969.73
  5. Step 5: Solve for x
    x = 61,731,969.73/10,758.12
  6. Step 6: Final answer
    x = 5,738.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.