Home / 13,972.39-20,954.15-4,610.67

Finding the Fourth Proportional to 13,972.39, 20,954.15 and 4,610.67

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Solution

The fourth proportional to 13,972.39, 20,954.15 and 4,610.67 is: 6,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.39 : 20,954.15 = 4,610.67 : x
  2. Step 2: Convert to fraction form
    13,972.39/20,954.15 = 4,610.67/x
  3. Step 3: Cross multiply
    13,972.39x = 20,954.15 × 4,610.67
  4. Step 4: Simplify right side
    13,972.39x = 96,612,569.15
  5. Step 5: Solve for x
    x = 96,612,569.15/13,972.39
  6. Step 6: Final answer
    x = 6,914.53

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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.