Home / 21,973.11-32,965.26-6,390.73

Finding the Fourth Proportional to 21,973.11, 32,965.26 and 6,390.73

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Solution

The fourth proportional to 21,973.11, 32,965.26 and 6,390.73 is: 9,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.11 : 32,965.26 = 6,390.73 : x
  2. Step 2: Convert to fraction form
    21,973.11/32,965.26 = 6,390.73/x
  3. Step 3: Cross multiply
    21,973.11x = 32,965.26 × 6,390.73
  4. Step 4: Simplify right side
    21,973.11x = 210,672,076.04
  5. Step 5: Solve for x
    x = 210,672,076.04/21,973.11
  6. Step 6: Final answer
    x = 9,587.72

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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.