Home / 21,669.38-32,505.23-6,879.46

Finding the Fourth Proportional to 21,669.38, 32,505.23 and 6,879.46

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Solution

The fourth proportional to 21,669.38, 32,505.23 and 6,879.46 is: 10,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.38 : 32,505.23 = 6,879.46 : x
  2. Step 2: Convert to fraction form
    21,669.38/32,505.23 = 6,879.46/x
  3. Step 3: Cross multiply
    21,669.38x = 32,505.23 × 6,879.46
  4. Step 4: Simplify right side
    21,669.38x = 223,618,429.58
  5. Step 5: Solve for x
    x = 223,618,429.58/21,669.38
  6. Step 6: Final answer
    x = 10,319.56

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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.