Home / 14,260.88-21,392.52-5,257.44

Finding the Fourth Proportional to 14,260.88, 21,392.52 and 5,257.44

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Solution

The fourth proportional to 14,260.88, 21,392.52 and 5,257.44 is: 7,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.88 : 21,392.52 = 5,257.44 : x
  2. Step 2: Convert to fraction form
    14,260.88/21,392.52 = 5,257.44/x
  3. Step 3: Cross multiply
    14,260.88x = 21,392.52 × 5,257.44
  4. Step 4: Simplify right side
    14,260.88x = 112,469,890.35
  5. Step 5: Solve for x
    x = 112,469,890.35/14,260.88
  6. Step 6: Final answer
    x = 7,886.60

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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.