Home / 14,181.58-21,273.45-4,321.70

Finding the Fourth Proportional to 14,181.58, 21,273.45 and 4,321.70

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Solution

The fourth proportional to 14,181.58, 21,273.45 and 4,321.70 is: 6,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.58 : 21,273.45 = 4,321.70 : x
  2. Step 2: Convert to fraction form
    14,181.58/21,273.45 = 4,321.70/x
  3. Step 3: Cross multiply
    14,181.58x = 21,273.45 × 4,321.70
  4. Step 4: Simplify right side
    14,181.58x = 91,937,468.87
  5. Step 5: Solve for x
    x = 91,937,468.87/14,181.58
  6. Step 6: Final answer
    x = 6,482.88

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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.