Home / 14,121.09-21,168.54-5,350.14

Finding the Fourth Proportional to 14,121.09, 21,168.54 and 5,350.14

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Solution

The fourth proportional to 14,121.09, 21,168.54 and 5,350.14 is: 8,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.09 : 21,168.54 = 5,350.14 : x
  2. Step 2: Convert to fraction form
    14,121.09/21,168.54 = 5,350.14/x
  3. Step 3: Cross multiply
    14,121.09x = 21,168.54 × 5,350.14
  4. Step 4: Simplify right side
    14,121.09x = 113,254,652.60
  5. Step 5: Solve for x
    x = 113,254,652.60/14,121.09
  6. Step 6: Final answer
    x = 8,020.25

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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.