Home / 12,717.16-19,075.83-3,951.88

Finding the Fourth Proportional to 12,717.16, 19,075.83 and 3,951.88

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Solution

The fourth proportional to 12,717.16, 19,075.83 and 3,951.88 is: 5,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.16 : 19,075.83 = 3,951.88 : x
  2. Step 2: Convert to fraction form
    12,717.16/19,075.83 = 3,951.88/x
  3. Step 3: Cross multiply
    12,717.16x = 19,075.83 × 3,951.88
  4. Step 4: Simplify right side
    12,717.16x = 75,385,391.06
  5. Step 5: Solve for x
    x = 75,385,391.06/12,717.16
  6. Step 6: Final answer
    x = 5,927.85

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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.