Home / 14,127.68-21,193.38-5,241.80

Finding the Fourth Proportional to 14,127.68, 21,193.38 and 5,241.80

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Solution

The fourth proportional to 14,127.68, 21,193.38 and 5,241.80 is: 7,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.68 : 21,193.38 = 5,241.80 : x
  2. Step 2: Convert to fraction form
    14,127.68/21,193.38 = 5,241.80/x
  3. Step 3: Cross multiply
    14,127.68x = 21,193.38 × 5,241.80
  4. Step 4: Simplify right side
    14,127.68x = 111,091,459.28
  5. Step 5: Solve for x
    x = 111,091,459.28/14,127.68
  6. Step 6: Final answer
    x = 7,863.39

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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.