Home / 11,136.76-15,363.80-6,658.24

Finding the Fourth Proportional to 11,136.76, 15,363.80 and 6,658.24

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Solution

The fourth proportional to 11,136.76, 15,363.80 and 6,658.24 is: 9,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.76 : 15,363.80 = 6,658.24 : x
  2. Step 2: Convert to fraction form
    11,136.76/15,363.80 = 6,658.24/x
  3. Step 3: Cross multiply
    11,136.76x = 15,363.80 × 6,658.24
  4. Step 4: Simplify right side
    11,136.76x = 102,295,867.71
  5. Step 5: Solve for x
    x = 102,295,867.71/11,136.76
  6. Step 6: Final answer
    x = 9,185.42

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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.