Home / 21,769.91-32,630.96-11,240.72

Finding the Fourth Proportional to 21,769.91, 32,630.96 and 11,240.72

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Solution

The fourth proportional to 21,769.91, 32,630.96 and 11,240.72 is: 16,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.91 : 32,630.96 = 11,240.72 : x
  2. Step 2: Convert to fraction form
    21,769.91/32,630.96 = 11,240.72/x
  3. Step 3: Cross multiply
    21,769.91x = 32,630.96 × 11,240.72
  4. Step 4: Simplify right side
    21,769.91x = 366,795,265.33
  5. Step 5: Solve for x
    x = 366,795,265.33/21,769.91
  6. Step 6: Final answer
    x = 16,848.73

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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.