Home / 8,011.35-12,029.36-6,778.14

Finding the Fourth Proportional to 8,011.35, 12,029.36 and 6,778.14

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Solution

The fourth proportional to 8,011.35, 12,029.36 and 6,778.14 is: 10,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.35 : 12,029.36 = 6,778.14 : x
  2. Step 2: Convert to fraction form
    8,011.35/12,029.36 = 6,778.14/x
  3. Step 3: Cross multiply
    8,011.35x = 12,029.36 × 6,778.14
  4. Step 4: Simplify right side
    8,011.35x = 81,536,703.14
  5. Step 5: Solve for x
    x = 81,536,703.14/8,011.35
  6. Step 6: Final answer
    x = 10,177.65

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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.