Home / 21,834.43-30,142.97-14,701.84

Finding the Fourth Proportional to 21,834.43, 30,142.97 and 14,701.84

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Solution

The fourth proportional to 21,834.43, 30,142.97 and 14,701.84 is: 20,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.43 : 30,142.97 = 14,701.84 : x
  2. Step 2: Convert to fraction form
    21,834.43/30,142.97 = 14,701.84/x
  3. Step 3: Cross multiply
    21,834.43x = 30,142.97 × 14,701.84
  4. Step 4: Simplify right side
    21,834.43x = 443,157,028.33
  5. Step 5: Solve for x
    x = 443,157,028.33/21,834.43
  6. Step 6: Final answer
    x = 20,296.25

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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.