Home / 11,730.48-16,187.22-6,424.44

Finding the Fourth Proportional to 11,730.48, 16,187.22 and 6,424.44

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Solution

The fourth proportional to 11,730.48, 16,187.22 and 6,424.44 is: 8,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.48 : 16,187.22 = 6,424.44 : x
  2. Step 2: Convert to fraction form
    11,730.48/16,187.22 = 6,424.44/x
  3. Step 3: Cross multiply
    11,730.48x = 16,187.22 × 6,424.44
  4. Step 4: Simplify right side
    11,730.48x = 103,993,823.66
  5. Step 5: Solve for x
    x = 103,993,823.66/11,730.48
  6. Step 6: Final answer
    x = 8,865.27

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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.