Home / 21,097.11-29,114.61-11,666.01

Finding the Fourth Proportional to 21,097.11, 29,114.61 and 11,666.01

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Solution

The fourth proportional to 21,097.11, 29,114.61 and 11,666.01 is: 16,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097.11 : 29,114.61 = 11,666.01 : x
  2. Step 2: Convert to fraction form
    21,097.11/29,114.61 = 11,666.01/x
  3. Step 3: Cross multiply
    21,097.11x = 29,114.61 × 11,666.01
  4. Step 4: Simplify right side
    21,097.11x = 339,651,331.41
  5. Step 5: Solve for x
    x = 339,651,331.41/21,097.11
  6. Step 6: Final answer
    x = 16,099.42

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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.