Home / 13,110.96-19,662.99-8,950.20

Finding the Fourth Proportional to 13,110.96, 19,662.99 and 8,950.20

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Solution

The fourth proportional to 13,110.96, 19,662.99 and 8,950.20 is: 13,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.96 : 19,662.99 = 8,950.20 : x
  2. Step 2: Convert to fraction form
    13,110.96/19,662.99 = 8,950.20/x
  3. Step 3: Cross multiply
    13,110.96x = 19,662.99 × 8,950.20
  4. Step 4: Simplify right side
    13,110.96x = 175,987,693.10
  5. Step 5: Solve for x
    x = 175,987,693.10/13,110.96
  6. Step 6: Final answer
    x = 13,422.94

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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.