Home / 13,780.26-20,657.23-4,414.23

Finding the Fourth Proportional to 13,780.26, 20,657.23 and 4,414.23

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Solution

The fourth proportional to 13,780.26, 20,657.23 and 4,414.23 is: 6,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780.26 : 20,657.23 = 4,414.23 : x
  2. Step 2: Convert to fraction form
    13,780.26/20,657.23 = 4,414.23/x
  3. Step 3: Cross multiply
    13,780.26x = 20,657.23 × 4,414.23
  4. Step 4: Simplify right side
    13,780.26x = 91,185,764.38
  5. Step 5: Solve for x
    x = 91,185,764.38/13,780.26
  6. Step 6: Final answer
    x = 6,617.13

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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.