Home / 11,586.58-15,989.42-6,281.44

Finding the Fourth Proportional to 11,586.58, 15,989.42 and 6,281.44

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Solution

The fourth proportional to 11,586.58, 15,989.42 and 6,281.44 is: 8,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.58 : 15,989.42 = 6,281.44 : x
  2. Step 2: Convert to fraction form
    11,586.58/15,989.42 = 6,281.44/x
  3. Step 3: Cross multiply
    11,586.58x = 15,989.42 × 6,281.44
  4. Step 4: Simplify right side
    11,586.58x = 100,436,582.36
  5. Step 5: Solve for x
    x = 100,436,582.36/11,586.58
  6. Step 6: Final answer
    x = 8,668.35

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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.