Home / 14,246.87-19,660.55-7,873.89

Finding the Fourth Proportional to 14,246.87, 19,660.55 and 7,873.89

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Solution

The fourth proportional to 14,246.87, 19,660.55 and 7,873.89 is: 10,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.87 : 19,660.55 = 7,873.89 : x
  2. Step 2: Convert to fraction form
    14,246.87/19,660.55 = 7,873.89/x
  3. Step 3: Cross multiply
    14,246.87x = 19,660.55 × 7,873.89
  4. Step 4: Simplify right side
    14,246.87x = 154,805,027.72
  5. Step 5: Solve for x
    x = 154,805,027.72/14,246.87
  6. Step 6: Final answer
    x = 10,865.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.