Home / 14,028.96-20,998.80-10,077.60

Finding the Fourth Proportional to 14,028.96, 20,998.80 and 10,077.60

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Solution

The fourth proportional to 14,028.96, 20,998.80 and 10,077.60 is: 15,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.96 : 20,998.80 = 10,077.60 : x
  2. Step 2: Convert to fraction form
    14,028.96/20,998.80 = 10,077.60/x
  3. Step 3: Cross multiply
    14,028.96x = 20,998.80 × 10,077.60
  4. Step 4: Simplify right side
    14,028.96x = 211,617,506.88
  5. Step 5: Solve for x
    x = 211,617,506.88/14,028.96
  6. Step 6: Final answer
    x = 15,084.33

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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.