Home / 13,944.81-20,920.41-4,585.44

Finding the Fourth Proportional to 13,944.81, 20,920.41 and 4,585.44

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Solution

The fourth proportional to 13,944.81, 20,920.41 and 4,585.44 is: 6,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.81 : 20,920.41 = 4,585.44 : x
  2. Step 2: Convert to fraction form
    13,944.81/20,920.41 = 4,585.44/x
  3. Step 3: Cross multiply
    13,944.81x = 20,920.41 × 4,585.44
  4. Step 4: Simplify right side
    13,944.81x = 95,929,284.83
  5. Step 5: Solve for x
    x = 95,929,284.83/13,944.81
  6. Step 6: Final answer
    x = 6,879.21

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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.