Home / 21,375.46-29,499.53-14,194.13

Finding the Fourth Proportional to 21,375.46, 29,499.53 and 14,194.13

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Solution

The fourth proportional to 21,375.46, 29,499.53 and 14,194.13 is: 19,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.46 : 29,499.53 = 14,194.13 : x
  2. Step 2: Convert to fraction form
    21,375.46/29,499.53 = 14,194.13/x
  3. Step 3: Cross multiply
    21,375.46x = 29,499.53 × 14,194.13
  4. Step 4: Simplify right side
    21,375.46x = 418,720,163.76
  5. Step 5: Solve for x
    x = 418,720,163.76/21,375.46
  6. Step 6: Final answer
    x = 19,588.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.