Home / 21,051.06-29,050.70-11,619.62

Finding the Fourth Proportional to 21,051.06, 29,050.70 and 11,619.62

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Solution

The fourth proportional to 21,051.06, 29,050.70 and 11,619.62 is: 16,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.06 : 29,050.70 = 11,619.62 : x
  2. Step 2: Convert to fraction form
    21,051.06/29,050.70 = 11,619.62/x
  3. Step 3: Cross multiply
    21,051.06x = 29,050.70 × 11,619.62
  4. Step 4: Simplify right side
    21,051.06x = 337,558,094.73
  5. Step 5: Solve for x
    x = 337,558,094.73/21,051.06
  6. Step 6: Final answer
    x = 16,035.21

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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.