Home / 21,051.14-29,050.61-11,619.70

Finding the Fourth Proportional to 21,051.14, 29,050.61 and 11,619.70

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Solution

The fourth proportional to 21,051.14, 29,050.61 and 11,619.70 is: 16,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051.14 : 29,050.61 = 11,619.70 : x
  2. Step 2: Convert to fraction form
    21,051.14/29,050.61 = 11,619.70/x
  3. Step 3: Cross multiply
    21,051.14x = 29,050.61 × 11,619.70
  4. Step 4: Simplify right side
    21,051.14x = 337,559,487.40
  5. Step 5: Solve for x
    x = 337,559,487.40/21,051.14
  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.