Home / 11,590.12-17,385-2,825.02

Finding the Fourth Proportional to 11,590.12, 17,385 and 2,825.02

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Solution

The fourth proportional to 11,590.12, 17,385 and 2,825.02 is: 4,237.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.12 : 17,385 = 2,825.02 : x
  2. Step 2: Convert to fraction form
    11,590.12/17,385 = 2,825.02/x
  3. Step 3: Cross multiply
    11,590.12x = 17,385 × 2,825.02
  4. Step 4: Simplify right side
    11,590.12x = 49,112,972.70
  5. Step 5: Solve for x
    x = 49,112,972.70/11,590.12
  6. Step 6: Final answer
    x = 4,237.49

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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.