Home / 12,848-19,278.24-5,918.72

Finding the Fourth Proportional to 12,848, 19,278.24 and 5,918.72

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Solution

The fourth proportional to 12,848, 19,278.24 and 5,918.72 is: 8,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848 : 19,278.24 = 5,918.72 : x
  2. Step 2: Convert to fraction form
    12,848/19,278.24 = 5,918.72/x
  3. Step 3: Cross multiply
    12,848x = 19,278.24 × 5,918.72
  4. Step 4: Simplify right side
    12,848x = 114,102,504.65
  5. Step 5: Solve for x
    x = 114,102,504.65/12,848
  6. Step 6: Final answer
    x = 8,880.95

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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.