Home / 18,839.85-28,259.23-4,799.82

Finding the Fourth Proportional to 18,839.85, 28,259.23 and 4,799.82

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Solution

The fourth proportional to 18,839.85, 28,259.23 and 4,799.82 is: 7,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.85 : 28,259.23 = 4,799.82 : x
  2. Step 2: Convert to fraction form
    18,839.85/28,259.23 = 4,799.82/x
  3. Step 3: Cross multiply
    18,839.85x = 28,259.23 × 4,799.82
  4. Step 4: Simplify right side
    18,839.85x = 135,639,217.34
  5. Step 5: Solve for x
    x = 135,639,217.34/18,839.85
  6. Step 6: Final answer
    x = 7,199.59

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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.