Home / 11,400.22-17,106.35-8,089.85

Finding the Fourth Proportional to 11,400.22, 17,106.35 and 8,089.85

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Solution

The fourth proportional to 11,400.22, 17,106.35 and 8,089.85 is: 12,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.22 : 17,106.35 = 8,089.85 : x
  2. Step 2: Convert to fraction form
    11,400.22/17,106.35 = 8,089.85/x
  3. Step 3: Cross multiply
    11,400.22x = 17,106.35 × 8,089.85
  4. Step 4: Simplify right side
    11,400.22x = 138,387,807.86
  5. Step 5: Solve for x
    x = 138,387,807.86/11,400.22
  6. Step 6: Final answer
    x = 12,139.05

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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.