Home / 19,850.82-29,776.90-9,984.72

Finding the Fourth Proportional to 19,850.82, 29,776.90 and 9,984.72

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Solution

The fourth proportional to 19,850.82, 29,776.90 and 9,984.72 is: 14,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.82 : 29,776.90 = 9,984.72 : x
  2. Step 2: Convert to fraction form
    19,850.82/29,776.90 = 9,984.72/x
  3. Step 3: Cross multiply
    19,850.82x = 29,776.90 × 9,984.72
  4. Step 4: Simplify right side
    19,850.82x = 297,314,008.97
  5. Step 5: Solve for x
    x = 297,314,008.97/19,850.82
  6. Step 6: Final answer
    x = 14,977.42

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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.