Home / 13,998.08-20,986.82-6,598.36

Finding the Fourth Proportional to 13,998.08, 20,986.82 and 6,598.36

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Solution

The fourth proportional to 13,998.08, 20,986.82 and 6,598.36 is: 9,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.08 : 20,986.82 = 6,598.36 : x
  2. Step 2: Convert to fraction form
    13,998.08/20,986.82 = 6,598.36/x
  3. Step 3: Cross multiply
    13,998.08x = 20,986.82 × 6,598.36
  4. Step 4: Simplify right side
    13,998.08x = 138,478,593.62
  5. Step 5: Solve for x
    x = 138,478,593.62/13,998.08
  6. Step 6: Final answer
    x = 9,892.68

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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.