Home / 17,905.78-24,709.62-9,947.94

Finding the Fourth Proportional to 17,905.78, 24,709.62 and 9,947.94

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Solution

The fourth proportional to 17,905.78, 24,709.62 and 9,947.94 is: 13,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.78 : 24,709.62 = 9,947.94 : x
  2. Step 2: Convert to fraction form
    17,905.78/24,709.62 = 9,947.94/x
  3. Step 3: Cross multiply
    17,905.78x = 24,709.62 × 9,947.94
  4. Step 4: Simplify right side
    17,905.78x = 245,809,817.18
  5. Step 5: Solve for x
    x = 245,809,817.18/17,905.78
  6. Step 6: Final answer
    x = 13,727.96

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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.