Home / 13,966.06-20,945.85-4,102.69

Finding the Fourth Proportional to 13,966.06, 20,945.85 and 4,102.69

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Solution

The fourth proportional to 13,966.06, 20,945.85 and 4,102.69 is: 6,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.06 : 20,945.85 = 4,102.69 : x
  2. Step 2: Convert to fraction form
    13,966.06/20,945.85 = 4,102.69/x
  3. Step 3: Cross multiply
    13,966.06x = 20,945.85 × 4,102.69
  4. Step 4: Simplify right side
    13,966.06x = 85,934,329.34
  5. Step 5: Solve for x
    x = 85,934,329.34/13,966.06
  6. Step 6: Final answer
    x = 6,153.08

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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.