Home / 13,763.70-20,645.54-3,903.06

Finding the Fourth Proportional to 13,763.70, 20,645.54 and 3,903.06

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Solution

The fourth proportional to 13,763.70, 20,645.54 and 3,903.06 is: 5,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.70 : 20,645.54 = 3,903.06 : x
  2. Step 2: Convert to fraction form
    13,763.70/20,645.54 = 3,903.06/x
  3. Step 3: Cross multiply
    13,763.70x = 20,645.54 × 3,903.06
  4. Step 4: Simplify right side
    13,763.70x = 80,580,658.61
  5. Step 5: Solve for x
    x = 80,580,658.61/13,763.70
  6. Step 6: Final answer
    x = 5,854.58

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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.