Home / 12,723.68-19,080.24-4,928

Finding the Fourth Proportional to 12,723.68, 19,080.24 and 4,928

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Solution

The fourth proportional to 12,723.68, 19,080.24 and 4,928 is: 7,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.68 : 19,080.24 = 4,928 : x
  2. Step 2: Convert to fraction form
    12,723.68/19,080.24 = 4,928/x
  3. Step 3: Cross multiply
    12,723.68x = 19,080.24 × 4,928
  4. Step 4: Simplify right side
    12,723.68x = 94,027,422.72
  5. Step 5: Solve for x
    x = 94,027,422.72/12,723.68
  6. Step 6: Final answer
    x = 7,389.96

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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.