Home / 11,752.11-16,239.37-8,559.85

Finding the Fourth Proportional to 11,752.11, 16,239.37 and 8,559.85

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Solution

The fourth proportional to 11,752.11, 16,239.37 and 8,559.85 is: 11,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.11 : 16,239.37 = 8,559.85 : x
  2. Step 2: Convert to fraction form
    11,752.11/16,239.37 = 8,559.85/x
  3. Step 3: Cross multiply
    11,752.11x = 16,239.37 × 8,559.85
  4. Step 4: Simplify right side
    11,752.11x = 139,006,571.29
  5. Step 5: Solve for x
    x = 139,006,571.29/11,752.11
  6. Step 6: Final answer
    x = 11,828.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.