Home / 12,746.56-19,098.23-7,805.87

Finding the Fourth Proportional to 12,746.56, 19,098.23 and 7,805.87

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Solution

The fourth proportional to 12,746.56, 19,098.23 and 7,805.87 is: 11,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.56 : 19,098.23 = 7,805.87 : x
  2. Step 2: Convert to fraction form
    12,746.56/19,098.23 = 7,805.87/x
  3. Step 3: Cross multiply
    12,746.56x = 19,098.23 × 7,805.87
  4. Step 4: Simplify right side
    12,746.56x = 149,078,166.09
  5. Step 5: Solve for x
    x = 149,078,166.09/12,746.56
  6. Step 6: Final answer
    x = 11,695.56

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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.