Home / 9,109.72-13,665.48-2,535.90

Finding the Fourth Proportional to 9,109.72, 13,665.48 and 2,535.90

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Solution

The fourth proportional to 9,109.72, 13,665.48 and 2,535.90 is: 3,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.72 : 13,665.48 = 2,535.90 : x
  2. Step 2: Convert to fraction form
    9,109.72/13,665.48 = 2,535.90/x
  3. Step 3: Cross multiply
    9,109.72x = 13,665.48 × 2,535.90
  4. Step 4: Simplify right side
    9,109.72x = 34,654,351.49
  5. Step 5: Solve for x
    x = 34,654,351.49/9,109.72
  6. Step 6: Final answer
    x = 3,804.11

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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.