Home / 11,408.24-17,109.12-4,387.77

Finding the Fourth Proportional to 11,408.24, 17,109.12 and 4,387.77

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Solution

The fourth proportional to 11,408.24, 17,109.12 and 4,387.77 is: 6,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.24 : 17,109.12 = 4,387.77 : x
  2. Step 2: Convert to fraction form
    11,408.24/17,109.12 = 4,387.77/x
  3. Step 3: Cross multiply
    11,408.24x = 17,109.12 × 4,387.77
  4. Step 4: Simplify right side
    11,408.24x = 75,070,899.92
  5. Step 5: Solve for x
    x = 75,070,899.92/11,408.24
  6. Step 6: Final answer
    x = 6,580.41

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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.