Home / 12,714.28-19,073.24-4,819.68

Finding the Fourth Proportional to 12,714.28, 19,073.24 and 4,819.68

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Solution

The fourth proportional to 12,714.28, 19,073.24 and 4,819.68 is: 7,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.28 : 19,073.24 = 4,819.68 : x
  2. Step 2: Convert to fraction form
    12,714.28/19,073.24 = 4,819.68/x
  3. Step 3: Cross multiply
    12,714.28x = 19,073.24 × 4,819.68
  4. Step 4: Simplify right side
    12,714.28x = 91,926,907.34
  5. Step 5: Solve for x
    x = 91,926,907.34/12,714.28
  6. Step 6: Final answer
    x = 7,230.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.