Home / 11,970.08-17,963.31-4,178.89

Finding the Fourth Proportional to 11,970.08, 17,963.31 and 4,178.89

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Solution

The fourth proportional to 11,970.08, 17,963.31 and 4,178.89 is: 6,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.08 : 17,963.31 = 4,178.89 : x
  2. Step 2: Convert to fraction form
    11,970.08/17,963.31 = 4,178.89/x
  3. Step 3: Cross multiply
    11,970.08x = 17,963.31 × 4,178.89
  4. Step 4: Simplify right side
    11,970.08x = 75,066,734.65
  5. Step 5: Solve for x
    x = 75,066,734.65/11,970.08
  6. Step 6: Final answer
    x = 6,271.20

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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.