Home / 14,149.28-21,216.72-5,377.52

Finding the Fourth Proportional to 14,149.28, 21,216.72 and 5,377.52

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Solution

The fourth proportional to 14,149.28, 21,216.72 and 5,377.52 is: 8,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.28 : 21,216.72 = 5,377.52 : x
  2. Step 2: Convert to fraction form
    14,149.28/21,216.72 = 5,377.52/x
  3. Step 3: Cross multiply
    14,149.28x = 21,216.72 × 5,377.52
  4. Step 4: Simplify right side
    14,149.28x = 114,093,336.13
  5. Step 5: Solve for x
    x = 114,093,336.13/14,149.28
  6. Step 6: Final answer
    x = 8,063.54

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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.