Home / 19,600.88-29,404.96-6,453.80

Finding the Fourth Proportional to 19,600.88, 29,404.96 and 6,453.80

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Solution

The fourth proportional to 19,600.88, 29,404.96 and 6,453.80 is: 9,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.88 : 29,404.96 = 6,453.80 : x
  2. Step 2: Convert to fraction form
    19,600.88/29,404.96 = 6,453.80/x
  3. Step 3: Cross multiply
    19,600.88x = 29,404.96 × 6,453.80
  4. Step 4: Simplify right side
    19,600.88x = 189,773,730.85
  5. Step 5: Solve for x
    x = 189,773,730.85/19,600.88
  6. Step 6: Final answer
    x = 9,681.90

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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.