Home / 11,216.32-16,829.40-4,644

Finding the Fourth Proportional to 11,216.32, 16,829.40 and 4,644

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Solution

The fourth proportional to 11,216.32, 16,829.40 and 4,644 is: 6,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.32 : 16,829.40 = 4,644 : x
  2. Step 2: Convert to fraction form
    11,216.32/16,829.40 = 4,644/x
  3. Step 3: Cross multiply
    11,216.32x = 16,829.40 × 4,644
  4. Step 4: Simplify right side
    11,216.32x = 78,155,733.60
  5. Step 5: Solve for x
    x = 78,155,733.60/11,216.32
  6. Step 6: Final answer
    x = 6,968.04

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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.