Home / 13,188.26-19,782.25-3,954.26

Finding the Fourth Proportional to 13,188.26, 19,782.25 and 3,954.26

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Solution

The fourth proportional to 13,188.26, 19,782.25 and 3,954.26 is: 5,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.26 : 19,782.25 = 3,954.26 : x
  2. Step 2: Convert to fraction form
    13,188.26/19,782.25 = 3,954.26/x
  3. Step 3: Cross multiply
    13,188.26x = 19,782.25 × 3,954.26
  4. Step 4: Simplify right side
    13,188.26x = 78,224,159.89
  5. Step 5: Solve for x
    x = 78,224,159.89/13,188.26
  6. Step 6: Final answer
    x = 5,931.35

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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.