Home / 14,170.99-21,259.65-4,311.04

Finding the Fourth Proportional to 14,170.99, 21,259.65 and 4,311.04

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Solution

The fourth proportional to 14,170.99, 21,259.65 and 4,311.04 is: 6,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.99 : 21,259.65 = 4,311.04 : x
  2. Step 2: Convert to fraction form
    14,170.99/21,259.65 = 4,311.04/x
  3. Step 3: Cross multiply
    14,170.99x = 21,259.65 × 4,311.04
  4. Step 4: Simplify right side
    14,170.99x = 91,651,201.54
  5. Step 5: Solve for x
    x = 91,651,201.54/14,170.99
  6. Step 6: Final answer
    x = 6,467.52

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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.