Home / 11,901.10-17,851.56-3,581.08

Finding the Fourth Proportional to 11,901.10, 17,851.56 and 3,581.08

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Solution

The fourth proportional to 11,901.10, 17,851.56 and 3,581.08 is: 5,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.10 : 17,851.56 = 3,581.08 : x
  2. Step 2: Convert to fraction form
    11,901.10/17,851.56 = 3,581.08/x
  3. Step 3: Cross multiply
    11,901.10x = 17,851.56 × 3,581.08
  4. Step 4: Simplify right side
    11,901.10x = 63,927,864.48
  5. Step 5: Solve for x
    x = 63,927,864.48/11,901.10
  6. Step 6: Final answer
    x = 5,371.59

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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.