Home / 13,192.80-19,780.26-6,946.20

Finding the Fourth Proportional to 13,192.80, 19,780.26 and 6,946.20

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Solution

The fourth proportional to 13,192.80, 19,780.26 and 6,946.20 is: 10,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.80 : 19,780.26 = 6,946.20 : x
  2. Step 2: Convert to fraction form
    13,192.80/19,780.26 = 6,946.20/x
  3. Step 3: Cross multiply
    13,192.80x = 19,780.26 × 6,946.20
  4. Step 4: Simplify right side
    13,192.80x = 137,397,642.01
  5. Step 5: Solve for x
    x = 137,397,642.01/13,192.80
  6. Step 6: Final answer
    x = 10,414.59

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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.