Home / 21,704.60-32,559.33-6,909.95

Finding the Fourth Proportional to 21,704.60, 32,559.33 and 6,909.95

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Solution

The fourth proportional to 21,704.60, 32,559.33 and 6,909.95 is: 10,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.60 : 32,559.33 = 6,909.95 : x
  2. Step 2: Convert to fraction form
    21,704.60/32,559.33 = 6,909.95/x
  3. Step 3: Cross multiply
    21,704.60x = 32,559.33 × 6,909.95
  4. Step 4: Simplify right side
    21,704.60x = 224,983,342.33
  5. Step 5: Solve for x
    x = 224,983,342.33/21,704.60
  6. Step 6: Final answer
    x = 10,365.70

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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.