Home / 19,833.36-29,717.86-10,472.88

Finding the Fourth Proportional to 19,833.36, 29,717.86 and 10,472.88

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Solution

The fourth proportional to 19,833.36, 29,717.86 and 10,472.88 is: 15,692.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.36 : 29,717.86 = 10,472.88 : x
  2. Step 2: Convert to fraction form
    19,833.36/29,717.86 = 10,472.88/x
  3. Step 3: Cross multiply
    19,833.36x = 29,717.86 × 10,472.88
  4. Step 4: Simplify right side
    19,833.36x = 311,231,581.64
  5. Step 5: Solve for x
    x = 311,231,581.64/19,833.36
  6. Step 6: Final answer
    x = 15,692.33

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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.