Home / 14,955.57-20,638.85-8,241.44

Finding the Fourth Proportional to 14,955.57, 20,638.85 and 8,241.44

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Solution

The fourth proportional to 14,955.57, 20,638.85 and 8,241.44 is: 11,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.57 : 20,638.85 = 8,241.44 : x
  2. Step 2: Convert to fraction form
    14,955.57/20,638.85 = 8,241.44/x
  3. Step 3: Cross multiply
    14,955.57x = 20,638.85 × 8,241.44
  4. Step 4: Simplify right side
    14,955.57x = 170,093,699.54
  5. Step 5: Solve for x
    x = 170,093,699.54/14,955.57
  6. Step 6: Final answer
    x = 11,373.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.