Home / 14,778.36-20,396.67-14,114.04

Finding the Fourth Proportional to 14,778.36, 20,396.67 and 14,114.04

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Solution

The fourth proportional to 14,778.36, 20,396.67 and 14,114.04 is: 19,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.36 : 20,396.67 = 14,114.04 : x
  2. Step 2: Convert to fraction form
    14,778.36/20,396.67 = 14,114.04/x
  3. Step 3: Cross multiply
    14,778.36x = 20,396.67 × 14,114.04
  4. Step 4: Simplify right side
    14,778.36x = 287,879,416.25
  5. Step 5: Solve for x
    x = 287,879,416.25/14,778.36
  6. Step 6: Final answer
    x = 19,479.79

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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.