Home / 18,763.41-28,103.46-13,482.57

Finding the Fourth Proportional to 18,763.41, 28,103.46 and 13,482.57

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Solution

The fourth proportional to 18,763.41, 28,103.46 and 13,482.57 is: 20,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.41 : 28,103.46 = 13,482.57 : x
  2. Step 2: Convert to fraction form
    18,763.41/28,103.46 = 13,482.57/x
  3. Step 3: Cross multiply
    18,763.41x = 28,103.46 × 13,482.57
  4. Step 4: Simplify right side
    18,763.41x = 378,906,866.69
  5. Step 5: Solve for x
    x = 378,906,866.69/18,763.41
  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.