Home / 19,761.72-29,628.60-9,893.92

Finding the Fourth Proportional to 19,761.72, 29,628.60 and 9,893.92

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Solution

The fourth proportional to 19,761.72, 29,628.60 and 9,893.92 is: 14,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.72 : 29,628.60 = 9,893.92 : x
  2. Step 2: Convert to fraction form
    19,761.72/29,628.60 = 9,893.92/x
  3. Step 3: Cross multiply
    19,761.72x = 29,628.60 × 9,893.92
  4. Step 4: Simplify right side
    19,761.72x = 293,142,998.11
  5. Step 5: Solve for x
    x = 293,142,998.11/19,761.72
  6. Step 6: Final answer
    x = 14,833.88

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1.5x scale

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.