Home / 13,990.36-20,975.82-6,194.92

Finding the Fourth Proportional to 13,990.36, 20,975.82 and 6,194.92

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Solution

The fourth proportional to 13,990.36, 20,975.82 and 6,194.92 is: 9,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.36 : 20,975.82 = 6,194.92 : x
  2. Step 2: Convert to fraction form
    13,990.36/20,975.82 = 6,194.92/x
  3. Step 3: Cross multiply
    13,990.36x = 20,975.82 × 6,194.92
  4. Step 4: Simplify right side
    13,990.36x = 129,943,526.83
  5. Step 5: Solve for x
    x = 129,943,526.83/13,990.36
  6. Step 6: Final answer
    x = 9,288.08

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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.