Home / 14,404.32-21,604.64-4,542.80

Finding the Fourth Proportional to 14,404.32, 21,604.64 and 4,542.80

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Solution

The fourth proportional to 14,404.32, 21,604.64 and 4,542.80 is: 6,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.32 : 21,604.64 = 4,542.80 : x
  2. Step 2: Convert to fraction form
    14,404.32/21,604.64 = 4,542.80/x
  3. Step 3: Cross multiply
    14,404.32x = 21,604.64 × 4,542.80
  4. Step 4: Simplify right side
    14,404.32x = 98,145,427.85
  5. Step 5: Solve for x
    x = 98,145,427.85/14,404.32
  6. Step 6: Final answer
    x = 6,813.61

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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.