Home / 19,451.99-29,134.22-13,634.57

Finding the Fourth Proportional to 19,451.99, 29,134.22 and 13,634.57

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Solution

The fourth proportional to 19,451.99, 29,134.22 and 13,634.57 is: 20,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.99 : 29,134.22 = 13,634.57 : x
  2. Step 2: Convert to fraction form
    19,451.99/29,134.22 = 13,634.57/x
  3. Step 3: Cross multiply
    19,451.99x = 29,134.22 × 13,634.57
  4. Step 4: Simplify right side
    19,451.99x = 397,232,596.07
  5. Step 5: Solve for x
    x = 397,232,596.07/19,451.99
  6. Step 6: Final answer
    x = 20,421.18

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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.