Home / 21,390.94-32,083.44-6,600.34

Finding the Fourth Proportional to 21,390.94, 32,083.44 and 6,600.34

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Solution

The fourth proportional to 21,390.94, 32,083.44 and 6,600.34 is: 9,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,390.94 : 32,083.44 = 6,600.34 : x
  2. Step 2: Convert to fraction form
    21,390.94/32,083.44 = 6,600.34/x
  3. Step 3: Cross multiply
    21,390.94x = 32,083.44 × 6,600.34
  4. Step 4: Simplify right side
    21,390.94x = 211,761,612.37
  5. Step 5: Solve for x
    x = 211,761,612.37/21,390.94
  6. Step 6: Final answer
    x = 9,899.59

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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.