Home / 13,287.12-19,924.92-4,519.68

Finding the Fourth Proportional to 13,287.12, 19,924.92 and 4,519.68

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Solution

The fourth proportional to 13,287.12, 19,924.92 and 4,519.68 is: 6,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.12 : 19,924.92 = 4,519.68 : x
  2. Step 2: Convert to fraction form
    13,287.12/19,924.92 = 4,519.68/x
  3. Step 3: Cross multiply
    13,287.12x = 19,924.92 × 4,519.68
  4. Step 4: Simplify right side
    13,287.12x = 90,054,262.43
  5. Step 5: Solve for x
    x = 90,054,262.43/13,287.12
  6. Step 6: Final answer
    x = 6,777.56

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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.