Home / 18,774.14-28,197.66-13,824.23

Finding the Fourth Proportional to 18,774.14, 28,197.66 and 13,824.23

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Solution

The fourth proportional to 18,774.14, 28,197.66 and 13,824.23 is: 20,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.14 : 28,197.66 = 13,824.23 : x
  2. Step 2: Convert to fraction form
    18,774.14/28,197.66 = 13,824.23/x
  3. Step 3: Cross multiply
    18,774.14x = 28,197.66 × 13,824.23
  4. Step 4: Simplify right side
    18,774.14x = 389,810,937.30
  5. Step 5: Solve for x
    x = 389,810,937.30/18,774.14
  6. Step 6: Final answer
    x = 20,763.18

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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.