Home / 13,543.41-20,307.67-4,180.85

Finding the Fourth Proportional to 13,543.41, 20,307.67 and 4,180.85

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Solution

The fourth proportional to 13,543.41, 20,307.67 and 4,180.85 is: 6,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.41 : 20,307.67 = 4,180.85 : x
  2. Step 2: Convert to fraction form
    13,543.41/20,307.67 = 4,180.85/x
  3. Step 3: Cross multiply
    13,543.41x = 20,307.67 × 4,180.85
  4. Step 4: Simplify right side
    13,543.41x = 84,903,286.28
  5. Step 5: Solve for x
    x = 84,903,286.28/13,543.41
  6. Step 6: Final answer
    x = 6,268.97

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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.