Home / 14,145.60-21,208.24-5,375.68

Finding the Fourth Proportional to 14,145.60, 21,208.24 and 5,375.68

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Solution

The fourth proportional to 14,145.60, 21,208.24 and 5,375.68 is: 8,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.60 : 21,208.24 = 5,375.68 : x
  2. Step 2: Convert to fraction form
    14,145.60/21,208.24 = 5,375.68/x
  3. Step 3: Cross multiply
    14,145.60x = 21,208.24 × 5,375.68
  4. Step 4: Simplify right side
    14,145.60x = 114,008,711.60
  5. Step 5: Solve for x
    x = 114,008,711.60/14,145.60
  6. Step 6: Final answer
    x = 8,059.66

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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.