Home / 13,941.36-20,910.04-4,581.76

Finding the Fourth Proportional to 13,941.36, 20,910.04 and 4,581.76

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Solution

The fourth proportional to 13,941.36, 20,910.04 and 4,581.76 is: 6,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.36 : 20,910.04 = 4,581.76 : x
  2. Step 2: Convert to fraction form
    13,941.36/20,910.04 = 4,581.76/x
  3. Step 3: Cross multiply
    13,941.36x = 20,910.04 × 4,581.76
  4. Step 4: Simplify right side
    13,941.36x = 95,804,784.87
  5. Step 5: Solve for x
    x = 95,804,784.87/13,941.36
  6. Step 6: Final answer
    x = 6,871.98

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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.