Home / 11,821.56-16,310.58-6,717.02

Finding the Fourth Proportional to 11,821.56, 16,310.58 and 6,717.02

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Solution

The fourth proportional to 11,821.56, 16,310.58 and 6,717.02 is: 9,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.56 : 16,310.58 = 6,717.02 : x
  2. Step 2: Convert to fraction form
    11,821.56/16,310.58 = 6,717.02/x
  3. Step 3: Cross multiply
    11,821.56x = 16,310.58 × 6,717.02
  4. Step 4: Simplify right side
    11,821.56x = 109,558,492.07
  5. Step 5: Solve for x
    x = 109,558,492.07/11,821.56
  6. Step 6: Final answer
    x = 9,267.68

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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.