Home / 12,898.56-19,346.56-4,131.92

Finding the Fourth Proportional to 12,898.56, 19,346.56 and 4,131.92

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Solution

The fourth proportional to 12,898.56, 19,346.56 and 4,131.92 is: 6,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.56 : 19,346.56 = 4,131.92 : x
  2. Step 2: Convert to fraction form
    12,898.56/19,346.56 = 4,131.92/x
  3. Step 3: Cross multiply
    12,898.56x = 19,346.56 × 4,131.92
  4. Step 4: Simplify right side
    12,898.56x = 79,938,438.20
  5. Step 5: Solve for x
    x = 79,938,438.20/12,898.56
  6. Step 6: Final answer
    x = 6,197.47

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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.