Home / 13,399.94-20,100.75-4,514.53

Finding the Fourth Proportional to 13,399.94, 20,100.75 and 4,514.53

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Solution

The fourth proportional to 13,399.94, 20,100.75 and 4,514.53 is: 6,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.94 : 20,100.75 = 4,514.53 : x
  2. Step 2: Convert to fraction form
    13,399.94/20,100.75 = 4,514.53/x
  3. Step 3: Cross multiply
    13,399.94x = 20,100.75 × 4,514.53
  4. Step 4: Simplify right side
    13,399.94x = 90,745,508.63
  5. Step 5: Solve for x
    x = 90,745,508.63/13,399.94
  6. Step 6: Final answer
    x = 6,772.08

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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.