Home / 14,276.68-21,414.90-11,159.31

Finding the Fourth Proportional to 14,276.68, 21,414.90 and 11,159.31

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Solution

The fourth proportional to 14,276.68, 21,414.90 and 11,159.31 is: 16,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.68 : 21,414.90 = 11,159.31 : x
  2. Step 2: Convert to fraction form
    14,276.68/21,414.90 = 11,159.31/x
  3. Step 3: Cross multiply
    14,276.68x = 21,414.90 × 11,159.31
  4. Step 4: Simplify right side
    14,276.68x = 238,975,507.72
  5. Step 5: Solve for x
    x = 238,975,507.72/14,276.68
  6. Step 6: Final answer
    x = 16,738.87

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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.