Home / 11,011.78-15,195.90-6,166.52

Finding the Fourth Proportional to 11,011.78, 15,195.90 and 6,166.52

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Solution

The fourth proportional to 11,011.78, 15,195.90 and 6,166.52 is: 8,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.78 : 15,195.90 = 6,166.52 : x
  2. Step 2: Convert to fraction form
    11,011.78/15,195.90 = 6,166.52/x
  3. Step 3: Cross multiply
    11,011.78x = 15,195.90 × 6,166.52
  4. Step 4: Simplify right side
    11,011.78x = 93,705,745.29
  5. Step 5: Solve for x
    x = 93,705,745.29/11,011.78
  6. Step 6: Final answer
    x = 8,509.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.