Home / 13,800.90-20,701.35-8,843.70

Finding the Fourth Proportional to 13,800.90, 20,701.35 and 8,843.70

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Solution

The fourth proportional to 13,800.90, 20,701.35 and 8,843.70 is: 13,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.90 : 20,701.35 = 8,843.70 : x
  2. Step 2: Convert to fraction form
    13,800.90/20,701.35 = 8,843.70/x
  3. Step 3: Cross multiply
    13,800.90x = 20,701.35 × 8,843.70
  4. Step 4: Simplify right side
    13,800.90x = 183,076,529.00
  5. Step 5: Solve for x
    x = 183,076,529.00/13,800.90
  6. Step 6: Final answer
    x = 13,265.55

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Similar ratio
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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.