Home / 11,647.25-16,074.42-6,612.83

Finding the Fourth Proportional to 11,647.25, 16,074.42 and 6,612.83

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Solution

The fourth proportional to 11,647.25, 16,074.42 and 6,612.83 is: 9,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.25 : 16,074.42 = 6,612.83 : x
  2. Step 2: Convert to fraction form
    11,647.25/16,074.42 = 6,612.83/x
  3. Step 3: Cross multiply
    11,647.25x = 16,074.42 × 6,612.83
  4. Step 4: Simplify right side
    11,647.25x = 106,297,406.81
  5. Step 5: Solve for x
    x = 106,297,406.81/11,647.25
  6. Step 6: Final answer
    x = 9,126.40

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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.