Home / 11,887.20-17,829.72-3,569.07

Finding the Fourth Proportional to 11,887.20, 17,829.72 and 3,569.07

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Solution

The fourth proportional to 11,887.20, 17,829.72 and 3,569.07 is: 5,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.20 : 17,829.72 = 3,569.07 : x
  2. Step 2: Convert to fraction form
    11,887.20/17,829.72 = 3,569.07/x
  3. Step 3: Cross multiply
    11,887.20x = 17,829.72 × 3,569.07
  4. Step 4: Simplify right side
    11,887.20x = 63,635,518.76
  5. Step 5: Solve for x
    x = 63,635,518.76/11,887.20
  6. Step 6: Final answer
    x = 5,353.28

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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.