Home / 12,917.52-19,374.44-4,151.30

Finding the Fourth Proportional to 12,917.52, 19,374.44 and 4,151.30

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Solution

The fourth proportional to 12,917.52, 19,374.44 and 4,151.30 is: 6,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.52 : 19,374.44 = 4,151.30 : x
  2. Step 2: Convert to fraction form
    12,917.52/19,374.44 = 4,151.30/x
  3. Step 3: Cross multiply
    12,917.52x = 19,374.44 × 4,151.30
  4. Step 4: Simplify right side
    12,917.52x = 80,428,995.14
  5. Step 5: Solve for x
    x = 80,428,995.14/12,917.52
  6. Step 6: Final answer
    x = 6,226.35

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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.