Home / 18,763.43-28,103.45-13,482.59

Finding the Fourth Proportional to 18,763.43, 28,103.45 and 13,482.59

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Solution

The fourth proportional to 18,763.43, 28,103.45 and 13,482.59 is: 20,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.43 : 28,103.45 = 13,482.59 : x
  2. Step 2: Convert to fraction form
    18,763.43/28,103.45 = 13,482.59/x
  3. Step 3: Cross multiply
    18,763.43x = 28,103.45 × 13,482.59
  4. Step 4: Simplify right side
    18,763.43x = 378,907,086.01
  5. Step 5: Solve for x
    x = 378,907,086.01/18,763.43
  6. Step 6: Final answer
    x = 20,193.92

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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.