Home / 11,709.12-17,561.02-3,387.27

Finding the Fourth Proportional to 11,709.12, 17,561.02 and 3,387.27

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Solution

The fourth proportional to 11,709.12, 17,561.02 and 3,387.27 is: 5,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.12 : 17,561.02 = 3,387.27 : x
  2. Step 2: Convert to fraction form
    11,709.12/17,561.02 = 3,387.27/x
  3. Step 3: Cross multiply
    11,709.12x = 17,561.02 × 3,387.27
  4. Step 4: Simplify right side
    11,709.12x = 59,483,916.22
  5. Step 5: Solve for x
    x = 59,483,916.22/11,709.12
  6. Step 6: Final answer
    x = 5,080.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.