Home / 13,958.70-19,262.79-7,670.94

Finding the Fourth Proportional to 13,958.70, 19,262.79 and 7,670.94

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Solution

The fourth proportional to 13,958.70, 19,262.79 and 7,670.94 is: 10,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.70 : 19,262.79 = 7,670.94 : x
  2. Step 2: Convert to fraction form
    13,958.70/19,262.79 = 7,670.94/x
  3. Step 3: Cross multiply
    13,958.70x = 19,262.79 × 7,670.94
  4. Step 4: Simplify right side
    13,958.70x = 147,763,706.32
  5. Step 5: Solve for x
    x = 147,763,706.32/13,958.70
  6. Step 6: Final answer
    x = 10,585.78

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1.5x scale

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.