Home / 11,572.26-17,358.45-2,807.19

Finding the Fourth Proportional to 11,572.26, 17,358.45 and 2,807.19

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Solution

The fourth proportional to 11,572.26, 17,358.45 and 2,807.19 is: 4,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.26 : 17,358.45 = 2,807.19 : x
  2. Step 2: Convert to fraction form
    11,572.26/17,358.45 = 2,807.19/x
  3. Step 3: Cross multiply
    11,572.26x = 17,358.45 × 2,807.19
  4. Step 4: Simplify right side
    11,572.26x = 48,728,467.26
  5. Step 5: Solve for x
    x = 48,728,467.26/11,572.26
  6. Step 6: Final answer
    x = 4,210.80

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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.