Home / 14,252.37-21,378.60-8,404.88

Finding the Fourth Proportional to 14,252.37, 21,378.60 and 8,404.88

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Solution

The fourth proportional to 14,252.37, 21,378.60 and 8,404.88 is: 12,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.37 : 21,378.60 = 8,404.88 : x
  2. Step 2: Convert to fraction form
    14,252.37/21,378.60 = 8,404.88/x
  3. Step 3: Cross multiply
    14,252.37x = 21,378.60 × 8,404.88
  4. Step 4: Simplify right side
    14,252.37x = 179,684,460.68
  5. Step 5: Solve for x
    x = 179,684,460.68/14,252.37
  6. Step 6: Final answer
    x = 12,607.34

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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.