Home / 14,114.80-21,180.60-5,350.60

Finding the Fourth Proportional to 14,114.80, 21,180.60 and 5,350.60

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Solution

The fourth proportional to 14,114.80, 21,180.60 and 5,350.60 is: 8,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.80 : 21,180.60 = 5,350.60 : x
  2. Step 2: Convert to fraction form
    14,114.80/21,180.60 = 5,350.60/x
  3. Step 3: Cross multiply
    14,114.80x = 21,180.60 × 5,350.60
  4. Step 4: Simplify right side
    14,114.80x = 113,328,918.36
  5. Step 5: Solve for x
    x = 113,328,918.36/14,114.80
  6. Step 6: Final answer
    x = 8,029.08

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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.