Home / 11,570.28-17,355.25-2,805.27

Finding the Fourth Proportional to 11,570.28, 17,355.25 and 2,805.27

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Solution

The fourth proportional to 11,570.28, 17,355.25 and 2,805.27 is: 4,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.28 : 17,355.25 = 2,805.27 : x
  2. Step 2: Convert to fraction form
    11,570.28/17,355.25 = 2,805.27/x
  3. Step 3: Cross multiply
    11,570.28x = 17,355.25 × 2,805.27
  4. Step 4: Simplify right side
    11,570.28x = 48,686,162.17
  5. Step 5: Solve for x
    x = 48,686,162.17/11,570.28
  6. Step 6: Final answer
    x = 4,207.86

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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.