Home / 11,780.08-16,256.70-6,744.28

Finding the Fourth Proportional to 11,780.08, 16,256.70 and 6,744.28

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Solution

The fourth proportional to 11,780.08, 16,256.70 and 6,744.28 is: 9,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.08 : 16,256.70 = 6,744.28 : x
  2. Step 2: Convert to fraction form
    11,780.08/16,256.70 = 6,744.28/x
  3. Step 3: Cross multiply
    11,780.08x = 16,256.70 × 6,744.28
  4. Step 4: Simplify right side
    11,780.08x = 109,639,736.68
  5. Step 5: Solve for x
    x = 109,639,736.68/11,780.08
  6. Step 6: Final answer
    x = 9,307.21

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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.