Home / 13,961.35-20,941.99-5,641.27

Finding the Fourth Proportional to 13,961.35, 20,941.99 and 5,641.27

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Solution

The fourth proportional to 13,961.35, 20,941.99 and 5,641.27 is: 8,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.35 : 20,941.99 = 5,641.27 : x
  2. Step 2: Convert to fraction form
    13,961.35/20,941.99 = 5,641.27/x
  3. Step 3: Cross multiply
    13,961.35x = 20,941.99 × 5,641.27
  4. Step 4: Simplify right side
    13,961.35x = 118,139,391.72
  5. Step 5: Solve for x
    x = 118,139,391.72/13,961.35
  6. Step 6: Final answer
    x = 8,461.89

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1.5x scale

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.