Home / 11,151.32-16,723.02-8,021.90

Finding the Fourth Proportional to 11,151.32, 16,723.02 and 8,021.90

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Solution

The fourth proportional to 11,151.32, 16,723.02 and 8,021.90 is: 12,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.32 : 16,723.02 = 8,021.90 : x
  2. Step 2: Convert to fraction form
    11,151.32/16,723.02 = 8,021.90/x
  3. Step 3: Cross multiply
    11,151.32x = 16,723.02 × 8,021.90
  4. Step 4: Simplify right side
    11,151.32x = 134,150,394.14
  5. Step 5: Solve for x
    x = 134,150,394.14/11,151.32
  6. Step 6: Final answer
    x = 12,030.00

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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.