Home / 19,787.36-27,305.70-10,834.88

Finding the Fourth Proportional to 19,787.36, 27,305.70 and 10,834.88

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Solution

The fourth proportional to 19,787.36, 27,305.70 and 10,834.88 is: 14,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.36 : 27,305.70 = 10,834.88 : x
  2. Step 2: Convert to fraction form
    19,787.36/27,305.70 = 10,834.88/x
  3. Step 3: Cross multiply
    19,787.36x = 27,305.70 × 10,834.88
  4. Step 4: Simplify right side
    19,787.36x = 295,853,982.82
  5. Step 5: Solve for x
    x = 295,853,982.82/19,787.36
  6. Step 6: Final answer
    x = 14,951.67

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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.