Home / 12,951.60-19,427.19-4,629.36

Finding the Fourth Proportional to 12,951.60, 19,427.19 and 4,629.36

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Solution

The fourth proportional to 12,951.60, 19,427.19 and 4,629.36 is: 6,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.60 : 19,427.19 = 4,629.36 : x
  2. Step 2: Convert to fraction form
    12,951.60/19,427.19 = 4,629.36/x
  3. Step 3: Cross multiply
    12,951.60x = 19,427.19 × 4,629.36
  4. Step 4: Simplify right side
    12,951.60x = 89,935,456.30
  5. Step 5: Solve for x
    x = 89,935,456.30/12,951.60
  6. Step 6: Final answer
    x = 6,943.96

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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.