Home / 16,379.40-22,606.52-9,664.64

Finding the Fourth Proportional to 16,379.40, 22,606.52 and 9,664.64

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Solution

The fourth proportional to 16,379.40, 22,606.52 and 9,664.64 is: 13,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.40 : 22,606.52 = 9,664.64 : x
  2. Step 2: Convert to fraction form
    16,379.40/22,606.52 = 9,664.64/x
  3. Step 3: Cross multiply
    16,379.40x = 22,606.52 × 9,664.64
  4. Step 4: Simplify right side
    16,379.40x = 218,483,877.45
  5. Step 5: Solve for x
    x = 218,483,877.45/16,379.40
  6. Step 6: Final answer
    x = 13,338.94

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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.