Home / 21,383.87-32,063.45-6,588.81

Finding the Fourth Proportional to 21,383.87, 32,063.45 and 6,588.81

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Solution

The fourth proportional to 21,383.87, 32,063.45 and 6,588.81 is: 9,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.87 : 32,063.45 = 6,588.81 : x
  2. Step 2: Convert to fraction form
    21,383.87/32,063.45 = 6,588.81/x
  3. Step 3: Cross multiply
    21,383.87x = 32,063.45 × 6,588.81
  4. Step 4: Simplify right side
    21,383.87x = 211,259,947.05
  5. Step 5: Solve for x
    x = 211,259,947.05/21,383.87
  6. Step 6: Final answer
    x = 9,879.41

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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.