Home / 13,469.97-18,587.61-8,433.96

Finding the Fourth Proportional to 13,469.97, 18,587.61 and 8,433.96

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Solution

The fourth proportional to 13,469.97, 18,587.61 and 8,433.96 is: 11,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.97 : 18,587.61 = 8,433.96 : x
  2. Step 2: Convert to fraction form
    13,469.97/18,587.61 = 8,433.96/x
  3. Step 3: Cross multiply
    13,469.97x = 18,587.61 × 8,433.96
  4. Step 4: Simplify right side
    13,469.97x = 156,767,159.24
  5. Step 5: Solve for x
    x = 156,767,159.24/13,469.97
  6. Step 6: Final answer
    x = 11,638.27

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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.