Home / 11,819.94-16,306.38-7,037.20

Finding the Fourth Proportional to 11,819.94, 16,306.38 and 7,037.20

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Solution

The fourth proportional to 11,819.94, 16,306.38 and 7,037.20 is: 9,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.94 : 16,306.38 = 7,037.20 : x
  2. Step 2: Convert to fraction form
    11,819.94/16,306.38 = 7,037.20/x
  3. Step 3: Cross multiply
    11,819.94x = 16,306.38 × 7,037.20
  4. Step 4: Simplify right side
    11,819.94x = 114,751,257.34
  5. Step 5: Solve for x
    x = 114,751,257.34/11,819.94
  6. Step 6: Final answer
    x = 9,708.28

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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.