Home / 14,178.33-21,260.52-8,257.23

Finding the Fourth Proportional to 14,178.33, 21,260.52 and 8,257.23

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Solution

The fourth proportional to 14,178.33, 21,260.52 and 8,257.23 is: 12,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.33 : 21,260.52 = 8,257.23 : x
  2. Step 2: Convert to fraction form
    14,178.33/21,260.52 = 8,257.23/x
  3. Step 3: Cross multiply
    14,178.33x = 21,260.52 × 8,257.23
  4. Step 4: Simplify right side
    14,178.33x = 175,553,003.56
  5. Step 5: Solve for x
    x = 175,553,003.56/14,178.33
  6. Step 6: Final answer
    x = 12,381.78

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1.5x scale

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.