Home / 21,699.30-32,555.18-6,910.50

Finding the Fourth Proportional to 21,699.30, 32,555.18 and 6,910.50

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Solution

The fourth proportional to 21,699.30, 32,555.18 and 6,910.50 is: 10,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,699.30 : 32,555.18 = 6,910.50 : x
  2. Step 2: Convert to fraction form
    21,699.30/32,555.18 = 6,910.50/x
  3. Step 3: Cross multiply
    21,699.30x = 32,555.18 × 6,910.50
  4. Step 4: Simplify right side
    21,699.30x = 224,972,571.39
  5. Step 5: Solve for x
    x = 224,972,571.39/21,699.30
  6. Step 6: Final answer
    x = 10,367.73

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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.