Home / 12,764.54-19,139.51-6,834.12

Finding the Fourth Proportional to 12,764.54, 19,139.51 and 6,834.12

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Solution

The fourth proportional to 12,764.54, 19,139.51 and 6,834.12 is: 10,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.54 : 19,139.51 = 6,834.12 : x
  2. Step 2: Convert to fraction form
    12,764.54/19,139.51 = 6,834.12/x
  3. Step 3: Cross multiply
    12,764.54x = 19,139.51 × 6,834.12
  4. Step 4: Simplify right side
    12,764.54x = 130,801,673.91
  5. Step 5: Solve for x
    x = 130,801,673.91/12,764.54
  6. Step 6: Final answer
    x = 10,247.27

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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.