Home / 11,972.81-16,522.58-6,668.12

Finding the Fourth Proportional to 11,972.81, 16,522.58 and 6,668.12

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Solution

The fourth proportional to 11,972.81, 16,522.58 and 6,668.12 is: 9,202.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.81 : 16,522.58 = 6,668.12 : x
  2. Step 2: Convert to fraction form
    11,972.81/16,522.58 = 6,668.12/x
  3. Step 3: Cross multiply
    11,972.81x = 16,522.58 × 6,668.12
  4. Step 4: Simplify right side
    11,972.81x = 110,174,604.13
  5. Step 5: Solve for x
    x = 110,174,604.13/11,972.81
  6. Step 6: Final answer
    x = 9,202.07

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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.