Home / 14,182.34-21,286.62-7,167.28

Finding the Fourth Proportional to 14,182.34, 21,286.62 and 7,167.28

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Solution

The fourth proportional to 14,182.34, 21,286.62 and 7,167.28 is: 10,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.34 : 21,286.62 = 7,167.28 : x
  2. Step 2: Convert to fraction form
    14,182.34/21,286.62 = 7,167.28/x
  3. Step 3: Cross multiply
    14,182.34x = 21,286.62 × 7,167.28
  4. Step 4: Simplify right side
    14,182.34x = 152,567,165.79
  5. Step 5: Solve for x
    x = 152,567,165.79/14,182.34
  6. Step 6: Final answer
    x = 10,757.55

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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.