Home / 21,377.25-29,501.24-11,945.84

Finding the Fourth Proportional to 21,377.25, 29,501.24 and 11,945.84

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Solution

The fourth proportional to 21,377.25, 29,501.24 and 11,945.84 is: 16,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377.25 : 29,501.24 = 11,945.84 : x
  2. Step 2: Convert to fraction form
    21,377.25/29,501.24 = 11,945.84/x
  3. Step 3: Cross multiply
    21,377.25x = 29,501.24 × 11,945.84
  4. Step 4: Simplify right side
    21,377.25x = 352,416,885.61
  5. Step 5: Solve for x
    x = 352,416,885.61/21,377.25
  6. Step 6: Final answer
    x = 16,485.60

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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.