Home / 12,986.04-19,496.34-6,834.36

Finding the Fourth Proportional to 12,986.04, 19,496.34 and 6,834.36

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Solution

The fourth proportional to 12,986.04, 19,496.34 and 6,834.36 is: 10,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986.04 : 19,496.34 = 6,834.36 : x
  2. Step 2: Convert to fraction form
    12,986.04/19,496.34 = 6,834.36/x
  3. Step 3: Cross multiply
    12,986.04x = 19,496.34 × 6,834.36
  4. Step 4: Simplify right side
    12,986.04x = 133,245,006.24
  5. Step 5: Solve for x
    x = 133,245,006.24/12,986.04
  6. Step 6: Final answer
    x = 10,260.63

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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.