Home / 13,241.57-19,862.05-6,665.99

Finding the Fourth Proportional to 13,241.57, 19,862.05 and 6,665.99

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Solution

The fourth proportional to 13,241.57, 19,862.05 and 6,665.99 is: 9,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.57 : 19,862.05 = 6,665.99 : x
  2. Step 2: Convert to fraction form
    13,241.57/19,862.05 = 6,665.99/x
  3. Step 3: Cross multiply
    13,241.57x = 19,862.05 × 6,665.99
  4. Step 4: Simplify right side
    13,241.57x = 132,400,226.68
  5. Step 5: Solve for x
    x = 132,400,226.68/13,241.57
  6. Step 6: Final answer
    x = 9,998.83

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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.