Home / 14,939.56-20,618.58-14,480.56

Finding the Fourth Proportional to 14,939.56, 20,618.58 and 14,480.56

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Solution

The fourth proportional to 14,939.56, 20,618.58 and 14,480.56 is: 19,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.56 : 20,618.58 = 14,480.56 : x
  2. Step 2: Convert to fraction form
    14,939.56/20,618.58 = 14,480.56/x
  3. Step 3: Cross multiply
    14,939.56x = 20,618.58 × 14,480.56
  4. Step 4: Simplify right side
    14,939.56x = 298,568,584.80
  5. Step 5: Solve for x
    x = 298,568,584.80/14,939.56
  6. Step 6: Final answer
    x = 19,985.10

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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.