Home / 13,961.72-20,941.55-4,101.77

Finding the Fourth Proportional to 13,961.72, 20,941.55 and 4,101.77

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Solution

The fourth proportional to 13,961.72, 20,941.55 and 4,101.77 is: 6,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.72 : 20,941.55 = 4,101.77 : x
  2. Step 2: Convert to fraction form
    13,961.72/20,941.55 = 4,101.77/x
  3. Step 3: Cross multiply
    13,961.72x = 20,941.55 × 4,101.77
  4. Step 4: Simplify right side
    13,961.72x = 85,897,316.84
  5. Step 5: Solve for x
    x = 85,897,316.84/13,961.72
  6. Step 6: Final answer
    x = 6,152.35

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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.