Home / 13,726.75-20,586.69-5,291.57

Finding the Fourth Proportional to 13,726.75, 20,586.69 and 5,291.57

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Solution

The fourth proportional to 13,726.75, 20,586.69 and 5,291.57 is: 7,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.75 : 20,586.69 = 5,291.57 : x
  2. Step 2: Convert to fraction form
    13,726.75/20,586.69 = 5,291.57/x
  3. Step 3: Cross multiply
    13,726.75x = 20,586.69 × 5,291.57
  4. Step 4: Simplify right side
    13,726.75x = 108,935,911.20
  5. Step 5: Solve for x
    x = 108,935,911.20/13,726.75
  6. Step 6: Final answer
    x = 7,936.03

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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.