Home / 21,739.32-32,609.88-6,156.96

Finding the Fourth Proportional to 21,739.32, 32,609.88 and 6,156.96

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Solution

The fourth proportional to 21,739.32, 32,609.88 and 6,156.96 is: 9,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.32 : 32,609.88 = 6,156.96 : x
  2. Step 2: Convert to fraction form
    21,739.32/32,609.88 = 6,156.96/x
  3. Step 3: Cross multiply
    21,739.32x = 32,609.88 × 6,156.96
  4. Step 4: Simplify right side
    21,739.32x = 200,777,726.76
  5. Step 5: Solve for x
    x = 200,777,726.76/21,739.32
  6. Step 6: Final answer
    x = 9,235.69

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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.