Home / 18,999.11-28,497.07-5,851.59

Finding the Fourth Proportional to 18,999.11, 28,497.07 and 5,851.59

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Solution

The fourth proportional to 18,999.11, 28,497.07 and 5,851.59 is: 8,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.11 : 28,497.07 = 5,851.59 : x
  2. Step 2: Convert to fraction form
    18,999.11/28,497.07 = 5,851.59/x
  3. Step 3: Cross multiply
    18,999.11x = 28,497.07 × 5,851.59
  4. Step 4: Simplify right side
    18,999.11x = 166,753,197.67
  5. Step 5: Solve for x
    x = 166,753,197.67/18,999.11
  6. Step 6: Final answer
    x = 8,776.90

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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.