Home / 11,610.32-16,014.04-7,136.58

Finding the Fourth Proportional to 11,610.32, 16,014.04 and 7,136.58

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Solution

The fourth proportional to 11,610.32, 16,014.04 and 7,136.58 is: 9,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.32 : 16,014.04 = 7,136.58 : x
  2. Step 2: Convert to fraction form
    11,610.32/16,014.04 = 7,136.58/x
  3. Step 3: Cross multiply
    11,610.32x = 16,014.04 × 7,136.58
  4. Step 4: Simplify right side
    11,610.32x = 114,285,519.79
  5. Step 5: Solve for x
    x = 114,285,519.79/11,610.32
  6. Step 6: Final answer
    x = 9,843.45

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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.